Home / 732,130.47-1,098,905.89-353,317.80

Finding the Fourth Proportional to 732,130.47, 1,098,905.89 and 353,317.80

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Solution

The fourth proportional to 732,130.47, 1,098,905.89 and 353,317.80 is: 530,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,130.47 : 1,098,905.89 = 353,317.80 : x
  2. Step 2: Convert to fraction form
    732,130.47/1,098,905.89 = 353,317.80/x
  3. Step 3: Cross multiply
    732,130.47x = 1,098,905.89 × 353,317.80
  4. Step 4: Simplify right side
    732,130.47x = 388,263,011,461.84
  5. Step 5: Solve for x
    x = 388,263,011,461.84/732,130.47
  6. Step 6: Final answer
    x = 530,319.43

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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.