Home / 884,913.30-1,328,061.15-411,657.30

Finding the Fourth Proportional to 884,913.30, 1,328,061.15 and 411,657.30

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Solution

The fourth proportional to 884,913.30, 1,328,061.15 and 411,657.30 is: 617,807.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,913.30 : 1,328,061.15 = 411,657.30 : x
  2. Step 2: Convert to fraction form
    884,913.30/1,328,061.15 = 411,657.30/x
  3. Step 3: Cross multiply
    884,913.30x = 1,328,061.15 × 411,657.30
  4. Step 4: Simplify right side
    884,913.30x = 546,706,067,243.90
  5. Step 5: Solve for x
    x = 546,706,067,243.90/884,913.30
  6. Step 6: Final answer
    x = 617,807.49

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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.