Home / 925,904.10-1,277,797.28-517,981.60

Finding the Fourth Proportional to 925,904.10, 1,277,797.28 and 517,981.60

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Solution

The fourth proportional to 925,904.10, 1,277,797.28 and 517,981.60 is: 714,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,904.10 : 1,277,797.28 = 517,981.60 : x
  2. Step 2: Convert to fraction form
    925,904.10/1,277,797.28 = 517,981.60/x
  3. Step 3: Cross multiply
    925,904.10x = 1,277,797.28 × 517,981.60
  4. Step 4: Simplify right side
    925,904.10x = 661,875,479,570.05
  5. Step 5: Solve for x
    x = 661,875,479,570.05/925,904.10
  6. Step 6: Final answer
    x = 714,842.37

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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.