Home / 917,708.60-1,376,562.90-784,848.35

Finding the Fourth Proportional to 917,708.60, 1,376,562.90 and 784,848.35

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Solution

The fourth proportional to 917,708.60, 1,376,562.90 and 784,848.35 is: 1,177,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,708.60 : 1,376,562.90 = 784,848.35 : x
  2. Step 2: Convert to fraction form
    917,708.60/1,376,562.90 = 784,848.35/x
  3. Step 3: Cross multiply
    917,708.60x = 1,376,562.90 × 784,848.35
  4. Step 4: Simplify right side
    917,708.60x = 1,080,393,120,736.21
  5. Step 5: Solve for x
    x = 1,080,393,120,736.21/917,708.60
  6. Step 6: Final answer
    x = 1,177,272.53

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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.