Home / 933,071.56-1,288,258.50-717,831.88

Finding the Fourth Proportional to 933,071.56, 1,288,258.50 and 717,831.88

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Solution

The fourth proportional to 933,071.56, 1,288,258.50 and 717,831.88 is: 991,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,071.56 : 1,288,258.50 = 717,831.88 : x
  2. Step 2: Convert to fraction form
    933,071.56/1,288,258.50 = 717,831.88/x
  3. Step 3: Cross multiply
    933,071.56x = 1,288,258.50 × 717,831.88
  4. Step 4: Simplify right side
    933,071.56x = 924,753,020,980.98
  5. Step 5: Solve for x
    x = 924,753,020,980.98/933,071.56
  6. Step 6: Final answer
    x = 991,084.78

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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.