Home / 1,037,127.40-1,555,691.10-249,159.40

Finding the Fourth Proportional to 1,037,127.40, 1,555,691.10 and 249,159.40

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Solution

The fourth proportional to 1,037,127.40, 1,555,691.10 and 249,159.40 is: 373,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,127.40 : 1,555,691.10 = 249,159.40 : x
  2. Step 2: Convert to fraction form
    1,037,127.40/1,555,691.10 = 249,159.40/x
  3. Step 3: Cross multiply
    1,037,127.40x = 1,555,691.10 × 249,159.40
  4. Step 4: Simplify right side
    1,037,127.40x = 387,615,061,061.34
  5. Step 5: Solve for x
    x = 387,615,061,061.34/1,037,127.40
  6. Step 6: Final answer
    x = 373,739.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.