Home / 749,929.20-1,034,897.40-410,396.40

Finding the Fourth Proportional to 749,929.20, 1,034,897.40 and 410,396.40

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Solution

The fourth proportional to 749,929.20, 1,034,897.40 and 410,396.40 is: 566,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,929.20 : 1,034,897.40 = 410,396.40 : x
  2. Step 2: Convert to fraction form
    749,929.20/1,034,897.40 = 410,396.40/x
  3. Step 3: Cross multiply
    749,929.20x = 1,034,897.40 × 410,396.40
  4. Step 4: Simplify right side
    749,929.20x = 424,718,167,329.36
  5. Step 5: Solve for x
    x = 424,718,167,329.36/749,929.20
  6. Step 6: Final answer
    x = 566,344.35

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.