Home / 749,647.71-1,034,538.75-410,115.96

Finding the Fourth Proportional to 749,647.71, 1,034,538.75 and 410,115.96

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Solution

The fourth proportional to 749,647.71, 1,034,538.75 and 410,115.96 is: 565,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,647.71 : 1,034,538.75 = 410,115.96 : x
  2. Step 2: Convert to fraction form
    749,647.71/1,034,538.75 = 410,115.96/x
  3. Step 3: Cross multiply
    749,647.71x = 1,034,538.75 × 410,115.96
  4. Step 4: Simplify right side
    749,647.71x = 424,280,852,613.45
  5. Step 5: Solve for x
    x = 424,280,852,613.45/749,647.71
  6. Step 6: Final answer
    x = 565,973.65

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Double scale
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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.