Home / 1,172,117.40-1,758,176.10-384,149.40

Finding the Fourth Proportional to 1,172,117.40, 1,758,176.10 and 384,149.40

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Solution

The fourth proportional to 1,172,117.40, 1,758,176.10 and 384,149.40 is: 576,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,117.40 : 1,758,176.10 = 384,149.40 : x
  2. Step 2: Convert to fraction form
    1,172,117.40/1,758,176.10 = 384,149.40/x
  3. Step 3: Cross multiply
    1,172,117.40x = 1,758,176.10 × 384,149.40
  4. Step 4: Simplify right side
    1,172,117.40x = 675,402,293,909.34
  5. Step 5: Solve for x
    x = 675,402,293,909.34/1,172,117.40
  6. Step 6: Final answer
    x = 576,224.10

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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.