Home / 861,913.41-1,292,437.58-502,200.51

Finding the Fourth Proportional to 861,913.41, 1,292,437.58 and 502,200.51

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Solution

The fourth proportional to 861,913.41, 1,292,437.58 and 502,200.51 is: 753,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,913.41 : 1,292,437.58 = 502,200.51 : x
  2. Step 2: Convert to fraction form
    861,913.41/1,292,437.58 = 502,200.51/x
  3. Step 3: Cross multiply
    861,913.41x = 1,292,437.58 × 502,200.51
  4. Step 4: Simplify right side
    861,913.41x = 649,062,809,308.16
  5. Step 5: Solve for x
    x = 649,062,809,308.16/861,913.41
  6. Step 6: Final answer
    x = 753,048.74

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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.