Home / 747,918.52-1,032,127.50-408,387.04

Finding the Fourth Proportional to 747,918.52, 1,032,127.50 and 408,387.04

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Solution

The fourth proportional to 747,918.52, 1,032,127.50 and 408,387.04 is: 563,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,918.52 : 1,032,127.50 = 408,387.04 : x
  2. Step 2: Convert to fraction form
    747,918.52/1,032,127.50 = 408,387.04/x
  3. Step 3: Cross multiply
    747,918.52x = 1,032,127.50 × 408,387.04
  4. Step 4: Simplify right side
    747,918.52x = 421,507,494,627.60
  5. Step 5: Solve for x
    x = 421,507,494,627.60/747,918.52
  6. Step 6: Final answer
    x = 563,574.08

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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.