Home / 732,129.18-1,010,221.92-409,852.86

Finding the Fourth Proportional to 732,129.18, 1,010,221.92 and 409,852.86

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Solution

The fourth proportional to 732,129.18, 1,010,221.92 and 409,852.86 is: 565,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,129.18 : 1,010,221.92 = 409,852.86 : x
  2. Step 2: Convert to fraction form
    732,129.18/1,010,221.92 = 409,852.86/x
  3. Step 3: Cross multiply
    732,129.18x = 1,010,221.92 × 409,852.86
  4. Step 4: Simplify right side
    732,129.18x = 414,042,343,146.69
  5. Step 5: Solve for x
    x = 414,042,343,146.69/732,129.18
  6. Step 6: Final answer
    x = 565,531.81

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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.