Home / 782,905.60-1,174,358.40-650,051.20

Finding the Fourth Proportional to 782,905.60, 1,174,358.40 and 650,051.20

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Solution

The fourth proportional to 782,905.60, 1,174,358.40 and 650,051.20 is: 975,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,905.60 : 1,174,358.40 = 650,051.20 : x
  2. Step 2: Convert to fraction form
    782,905.60/1,174,358.40 = 650,051.20/x
  3. Step 3: Cross multiply
    782,905.60x = 1,174,358.40 × 650,051.20
  4. Step 4: Simplify right side
    782,905.60x = 763,393,087,150.08
  5. Step 5: Solve for x
    x = 763,393,087,150.08/782,905.60
  6. Step 6: Final answer
    x = 975,076.80

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1.5x scale

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.