Home / 732,138.48-1,098,917.88-353,325.81

Finding the Fourth Proportional to 732,138.48, 1,098,917.88 and 353,325.81

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Solution

The fourth proportional to 732,138.48, 1,098,917.88 and 353,325.81 is: 530,331.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,138.48 : 1,098,917.88 = 353,325.81 : x
  2. Step 2: Convert to fraction form
    732,138.48/1,098,917.88 = 353,325.81/x
  3. Step 3: Cross multiply
    732,138.48x = 1,098,917.88 × 353,325.81
  4. Step 4: Simplify right side
    732,138.48x = 388,276,050,074.48
  5. Step 5: Solve for x
    x = 388,276,050,074.48/732,138.48
  6. Step 6: Final answer
    x = 530,331.43

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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.