Home / 925,359.69-1,276,987.63-517,456.86

Finding the Fourth Proportional to 925,359.69, 1,276,987.63 and 517,456.86

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Solution

The fourth proportional to 925,359.69, 1,276,987.63 and 517,456.86 is: 714,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,359.69 : 1,276,987.63 = 517,456.86 : x
  2. Step 2: Convert to fraction form
    925,359.69/1,276,987.63 = 517,456.86/x
  3. Step 3: Cross multiply
    925,359.69x = 1,276,987.63 × 517,456.86
  4. Step 4: Simplify right side
    925,359.69x = 660,786,004,166.53
  5. Step 5: Solve for x
    x = 660,786,004,166.53/925,359.69
  6. Step 6: Final answer
    x = 714,085.57

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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.