Home / 906,091.38-1,250,420.49-498,211.02

Finding the Fourth Proportional to 906,091.38, 1,250,420.49 and 498,211.02

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Solution

The fourth proportional to 906,091.38, 1,250,420.49 and 498,211.02 is: 687,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,091.38 : 1,250,420.49 = 498,211.02 : x
  2. Step 2: Convert to fraction form
    906,091.38/1,250,420.49 = 498,211.02/x
  3. Step 3: Cross multiply
    906,091.38x = 1,250,420.49 × 498,211.02
  4. Step 4: Simplify right side
    906,091.38x = 622,973,267,751.80
  5. Step 5: Solve for x
    x = 622,973,267,751.80/906,091.38
  6. Step 6: Final answer
    x = 687,539.12

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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.