Home / 912,640.06-1,259,831.09-568,645.95

Finding the Fourth Proportional to 912,640.06, 1,259,831.09 and 568,645.95

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Solution

The fourth proportional to 912,640.06, 1,259,831.09 and 568,645.95 is: 784,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,640.06 : 1,259,831.09 = 568,645.95 : x
  2. Step 2: Convert to fraction form
    912,640.06/1,259,831.09 = 568,645.95/x
  3. Step 3: Cross multiply
    912,640.06x = 1,259,831.09 × 568,645.95
  4. Step 4: Simplify right side
    912,640.06x = 716,397,840,713.43
  5. Step 5: Solve for x
    x = 716,397,840,713.43/912,640.06
  6. Step 6: Final answer
    x = 784,973.04

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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.