Home / 874,531.60-1,310,802.31-532,219.86

Finding the Fourth Proportional to 874,531.60, 1,310,802.31 and 532,219.86

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Solution

The fourth proportional to 874,531.60, 1,310,802.31 and 532,219.86 is: 797,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,531.60 : 1,310,802.31 = 532,219.86 : x
  2. Step 2: Convert to fraction form
    874,531.60/1,310,802.31 = 532,219.86/x
  3. Step 3: Cross multiply
    874,531.60x = 1,310,802.31 × 532,219.86
  4. Step 4: Simplify right side
    874,531.60x = 697,635,021,915.88
  5. Step 5: Solve for x
    x = 697,635,021,915.88/874,531.60
  6. Step 6: Final answer
    x = 797,724.20

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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.