Home / 713,822.52-1,069,306.20-429,356.01

Finding the Fourth Proportional to 713,822.52, 1,069,306.20 and 429,356.01

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Solution

The fourth proportional to 713,822.52, 1,069,306.20 and 429,356.01 is: 643,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,822.52 : 1,069,306.20 = 429,356.01 : x
  2. Step 2: Convert to fraction form
    713,822.52/1,069,306.20 = 429,356.01/x
  3. Step 3: Cross multiply
    713,822.52x = 1,069,306.20 × 429,356.01
  4. Step 4: Simplify right side
    713,822.52x = 459,113,043,500.26
  5. Step 5: Solve for x
    x = 459,113,043,500.26/713,822.52
  6. Step 6: Final answer
    x = 643,175.34

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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.