Home / 832,387.20-1,248,580.80-619,810.80

Finding the Fourth Proportional to 832,387.20, 1,248,580.80 and 619,810.80

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Solution

The fourth proportional to 832,387.20, 1,248,580.80 and 619,810.80 is: 929,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,387.20 : 1,248,580.80 = 619,810.80 : x
  2. Step 2: Convert to fraction form
    832,387.20/1,248,580.80 = 619,810.80/x
  3. Step 3: Cross multiply
    832,387.20x = 1,248,580.80 × 619,810.80
  4. Step 4: Simplify right side
    832,387.20x = 773,883,864,512.64
  5. Step 5: Solve for x
    x = 773,883,864,512.64/832,387.20
  6. Step 6: Final answer
    x = 929,716.20

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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.