Home / 908,118.33-1,253,187.98-500,258.32

Finding the Fourth Proportional to 908,118.33, 1,253,187.98 and 500,258.32

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Solution

The fourth proportional to 908,118.33, 1,253,187.98 and 500,258.32 is: 690,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,118.33 : 1,253,187.98 = 500,258.32 : x
  2. Step 2: Convert to fraction form
    908,118.33/1,253,187.98 = 500,258.32/x
  3. Step 3: Cross multiply
    908,118.33x = 1,253,187.98 × 500,258.32
  4. Step 4: Simplify right side
    908,118.33x = 626,917,709,760.70
  5. Step 5: Solve for x
    x = 626,917,709,760.70/908,118.33
  6. Step 6: Final answer
    x = 690,348.04

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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.