Home / 917,517.60-1,376,276.40-784,657.35

Finding the Fourth Proportional to 917,517.60, 1,376,276.40 and 784,657.35

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Solution

The fourth proportional to 917,517.60, 1,376,276.40 and 784,657.35 is: 1,176,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,517.60 : 1,376,276.40 = 784,657.35 : x
  2. Step 2: Convert to fraction form
    917,517.60/1,376,276.40 = 784,657.35/x
  3. Step 3: Cross multiply
    917,517.60x = 1,376,276.40 × 784,657.35
  4. Step 4: Simplify right side
    917,517.60x = 1,079,905,392,891.54
  5. Step 5: Solve for x
    x = 1,079,905,392,891.54/917,517.60
  6. Step 6: Final answer
    x = 1,176,986.03

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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.