Home / 912,640.31-1,259,831.44-568,646.20

Finding the Fourth Proportional to 912,640.31, 1,259,831.44 and 568,646.20

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Solution

The fourth proportional to 912,640.31, 1,259,831.44 and 568,646.20 is: 784,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,640.31 : 1,259,831.44 = 568,646.20 : x
  2. Step 2: Convert to fraction form
    912,640.31/1,259,831.44 = 568,646.20/x
  3. Step 3: Cross multiply
    912,640.31x = 1,259,831.44 × 568,646.20
  4. Step 4: Simplify right side
    912,640.31x = 716,398,351,854.14
  5. Step 5: Solve for x
    x = 716,398,351,854.14/912,640.31
  6. Step 6: Final answer
    x = 784,973.38

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Double scale
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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.