Home / 925,685.37-1,277,564.13-517,809.87

Finding the Fourth Proportional to 925,685.37, 1,277,564.13 and 517,809.87

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Solution

The fourth proportional to 925,685.37, 1,277,564.13 and 517,809.87 is: 714,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,685.37 : 1,277,564.13 = 517,809.87 : x
  2. Step 2: Convert to fraction form
    925,685.37/1,277,564.13 = 517,809.87/x
  3. Step 3: Cross multiply
    925,685.37x = 1,277,564.13 × 517,809.87
  4. Step 4: Simplify right side
    925,685.37x = 661,535,316,071.96
  5. Step 5: Solve for x
    x = 661,535,316,071.96/925,685.37
  6. Step 6: Final answer
    x = 714,643.81

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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.