Home / 862,595.64-1,291,925.16-761,687.46

Finding the Fourth Proportional to 862,595.64, 1,291,925.16 and 761,687.46

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Solution

The fourth proportional to 862,595.64, 1,291,925.16 and 761,687.46 is: 1,140,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,595.64 : 1,291,925.16 = 761,687.46 : x
  2. Step 2: Convert to fraction form
    862,595.64/1,291,925.16 = 761,687.46/x
  3. Step 3: Cross multiply
    862,595.64x = 1,291,925.16 × 761,687.46
  4. Step 4: Simplify right side
    862,595.64x = 984,043,193,630.49
  5. Step 5: Solve for x
    x = 984,043,193,630.49/862,595.64
  6. Step 6: Final answer
    x = 1,140,793.15

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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.