Home / 454,670.20-681,567.90-353,412.10

Finding the Fourth Proportional to 454,670.20, 681,567.90 and 353,412.10

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Solution

The fourth proportional to 454,670.20, 681,567.90 and 353,412.10 is: 529,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,670.20 : 681,567.90 = 353,412.10 : x
  2. Step 2: Convert to fraction form
    454,670.20/681,567.90 = 353,412.10/x
  3. Step 3: Cross multiply
    454,670.20x = 681,567.90 × 353,412.10
  4. Step 4: Simplify right side
    454,670.20x = 240,874,342,831.59
  5. Step 5: Solve for x
    x = 240,874,342,831.59/454,670.20
  6. Step 6: Final answer
    x = 529,778.16

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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.