Home / 925,301.30-1,276,908.57-517,403.93

Finding the Fourth Proportional to 925,301.30, 1,276,908.57 and 517,403.93

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Solution

The fourth proportional to 925,301.30, 1,276,908.57 and 517,403.93 is: 714,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,301.30 : 1,276,908.57 = 517,403.93 : x
  2. Step 2: Convert to fraction form
    925,301.30/1,276,908.57 = 517,403.93/x
  3. Step 3: Cross multiply
    925,301.30x = 1,276,908.57 × 517,403.93
  4. Step 4: Simplify right side
    925,301.30x = 660,677,505,984.14
  5. Step 5: Solve for x
    x = 660,677,505,984.14/925,301.30
  6. Step 6: Final answer
    x = 714,013.38

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1.5x scale

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.