Home / 925,475.30-1,277,220.93-517,615.10

Finding the Fourth Proportional to 925,475.30, 1,277,220.93 and 517,615.10

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Solution

The fourth proportional to 925,475.30, 1,277,220.93 and 517,615.10 is: 714,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,475.30 : 1,277,220.93 = 517,615.10 : x
  2. Step 2: Convert to fraction form
    925,475.30/1,277,220.93 = 517,615.10/x
  3. Step 3: Cross multiply
    925,475.30x = 1,277,220.93 × 517,615.10
  4. Step 4: Simplify right side
    925,475.30x = 661,108,839,404.04
  5. Step 5: Solve for x
    x = 661,108,839,404.04/925,475.30
  6. Step 6: Final answer
    x = 714,345.20

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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.