Home / 933,756.60-1,288,531.26-551,818.92

Finding the Fourth Proportional to 933,756.60, 1,288,531.26 and 551,818.92

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Solution

The fourth proportional to 933,756.60, 1,288,531.26 and 551,818.92 is: 761,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,756.60 : 1,288,531.26 = 551,818.92 : x
  2. Step 2: Convert to fraction form
    933,756.60/1,288,531.26 = 551,818.92/x
  3. Step 3: Cross multiply
    933,756.60x = 1,288,531.26 × 551,818.92
  4. Step 4: Simplify right side
    933,756.60x = 711,035,928,279.44
  5. Step 5: Solve for x
    x = 711,035,928,279.44/933,756.60
  6. Step 6: Final answer
    x = 761,478.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.