Home / 925,680.65-1,277,557.47-517,805.15

Finding the Fourth Proportional to 925,680.65, 1,277,557.47 and 517,805.15

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Solution

The fourth proportional to 925,680.65, 1,277,557.47 and 517,805.15 is: 714,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,680.65 : 1,277,557.47 = 517,805.15 : x
  2. Step 2: Convert to fraction form
    925,680.65/1,277,557.47 = 517,805.15/x
  3. Step 3: Cross multiply
    925,680.65x = 1,277,557.47 × 517,805.15
  4. Step 4: Simplify right side
    925,680.65x = 661,525,837,386.97
  5. Step 5: Solve for x
    x = 661,525,837,386.97/925,680.65
  6. Step 6: Final answer
    x = 714,637.21

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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.