Home / 658,263.68-985,799.33-455,290.13

Finding the Fourth Proportional to 658,263.68, 985,799.33 and 455,290.13

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Solution

The fourth proportional to 658,263.68, 985,799.33 and 455,290.13 is: 681,831.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,263.68 : 985,799.33 = 455,290.13 : x
  2. Step 2: Convert to fraction form
    658,263.68/985,799.33 = 455,290.13/x
  3. Step 3: Cross multiply
    658,263.68x = 985,799.33 × 455,290.13
  4. Step 4: Simplify right side
    658,263.68x = 448,824,707,005.00
  5. Step 5: Solve for x
    x = 448,824,707,005.00/658,263.68
  6. Step 6: Final answer
    x = 681,831.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.