Home / 454,312.40-681,468.60-348,024.20

Finding the Fourth Proportional to 454,312.40, 681,468.60 and 348,024.20

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Solution

The fourth proportional to 454,312.40, 681,468.60 and 348,024.20 is: 522,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,312.40 : 681,468.60 = 348,024.20 : x
  2. Step 2: Convert to fraction form
    454,312.40/681,468.60 = 348,024.20/x
  3. Step 3: Cross multiply
    454,312.40x = 681,468.60 × 348,024.20
  4. Step 4: Simplify right side
    454,312.40x = 237,167,564,340.12
  5. Step 5: Solve for x
    x = 237,167,564,340.12/454,312.40
  6. Step 6: Final answer
    x = 522,036.30

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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.