Home / 862,693.52-1,190,521.78-500,332.22

Finding the Fourth Proportional to 862,693.52, 1,190,521.78 and 500,332.22

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Solution

The fourth proportional to 862,693.52, 1,190,521.78 and 500,332.22 is: 690,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,693.52 : 1,190,521.78 = 500,332.22 : x
  2. Step 2: Convert to fraction form
    862,693.52/1,190,521.78 = 500,332.22/x
  3. Step 3: Cross multiply
    862,693.52x = 1,190,521.78 × 500,332.22
  4. Step 4: Simplify right side
    862,693.52x = 595,656,405,145.75
  5. Step 5: Solve for x
    x = 595,656,405,145.75/862,693.52
  6. Step 6: Final answer
    x = 690,461.20

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1.5x scale

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.