Home / 749,788.50-1,034,708.13-410,256.75

Finding the Fourth Proportional to 749,788.50, 1,034,708.13 and 410,256.75

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Solution

The fourth proportional to 749,788.50, 1,034,708.13 and 410,256.75 is: 566,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,788.50 : 1,034,708.13 = 410,256.75 : x
  2. Step 2: Convert to fraction form
    749,788.50/1,034,708.13 = 410,256.75/x
  3. Step 3: Cross multiply
    749,788.50x = 1,034,708.13 × 410,256.75
  4. Step 4: Simplify right side
    749,788.50x = 424,495,994,612.38
  5. Step 5: Solve for x
    x = 424,495,994,612.38/749,788.50
  6. Step 6: Final answer
    x = 566,154.32

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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.