Home / 912,561.66-1,259,382.33-525,434.58

Finding the Fourth Proportional to 912,561.66, 1,259,382.33 and 525,434.58

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Solution

The fourth proportional to 912,561.66, 1,259,382.33 and 525,434.58 is: 725,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,561.66 : 1,259,382.33 = 525,434.58 : x
  2. Step 2: Convert to fraction form
    912,561.66/1,259,382.33 = 525,434.58/x
  3. Step 3: Cross multiply
    912,561.66x = 1,259,382.33 × 525,434.58
  4. Step 4: Simplify right side
    912,561.66x = 661,723,025,622.97
  5. Step 5: Solve for x
    x = 661,723,025,622.97/912,561.66
  6. Step 6: Final answer
    x = 725,126.92

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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.