Home / 1,231,637.10-1,847,455.65-727,752.30

Finding the Fourth Proportional to 1,231,637.10, 1,847,455.65 and 727,752.30

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Solution

The fourth proportional to 1,231,637.10, 1,847,455.65 and 727,752.30 is: 1,091,628.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,637.10 : 1,847,455.65 = 727,752.30 : x
  2. Step 2: Convert to fraction form
    1,231,637.10/1,847,455.65 = 727,752.30/x
  3. Step 3: Cross multiply
    1,231,637.10x = 1,847,455.65 × 727,752.30
  4. Step 4: Simplify right side
    1,231,637.10x = 1,344,490,098,435.50
  5. Step 5: Solve for x
    x = 1,344,490,098,435.50/1,231,637.10
  6. Step 6: Final answer
    x = 1,091,628.45

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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.