Home / 925,726.94-1,276,988.73-538,498.79

Finding the Fourth Proportional to 925,726.94, 1,276,988.73 and 538,498.79

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Solution

The fourth proportional to 925,726.94, 1,276,988.73 and 538,498.79 is: 742,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,726.94 : 1,276,988.73 = 538,498.79 : x
  2. Step 2: Convert to fraction form
    925,726.94/1,276,988.73 = 538,498.79/x
  3. Step 3: Cross multiply
    925,726.94x = 1,276,988.73 × 538,498.79
  4. Step 4: Simplify right side
    925,726.94x = 687,656,885,948.64
  5. Step 5: Solve for x
    x = 687,656,885,948.64/925,726.94
  6. Step 6: Final answer
    x = 742,829.07

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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.