Home / 908,580.06-1,253,823.71-500,719.68

Finding the Fourth Proportional to 908,580.06, 1,253,823.71 and 500,719.68

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Solution

The fourth proportional to 908,580.06, 1,253,823.71 and 500,719.68 is: 690,983.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,580.06 : 1,253,823.71 = 500,719.68 : x
  2. Step 2: Convert to fraction form
    908,580.06/1,253,823.71 = 500,719.68/x
  3. Step 3: Cross multiply
    908,580.06x = 1,253,823.71 × 500,719.68
  4. Step 4: Simplify right side
    908,580.06x = 627,814,204,344.01
  5. Step 5: Solve for x
    x = 627,814,204,344.01/908,580.06
  6. Step 6: Final answer
    x = 690,983.91

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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.