Home / 942,528.60-1,300,695.21-512,811.90

Finding the Fourth Proportional to 942,528.60, 1,300,695.21 and 512,811.90

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Solution

The fourth proportional to 942,528.60, 1,300,695.21 and 512,811.90 is: 707,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,528.60 : 1,300,695.21 = 512,811.90 : x
  2. Step 2: Convert to fraction form
    942,528.60/1,300,695.21 = 512,811.90/x
  3. Step 3: Cross multiply
    942,528.60x = 1,300,695.21 × 512,811.90
  4. Step 4: Simplify right side
    942,528.60x = 667,011,981,961.00
  5. Step 5: Solve for x
    x = 667,011,981,961.00/942,528.60
  6. Step 6: Final answer
    x = 707,683.55

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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.