Home / 906,188.90-1,250,514.24-498,290.32

Finding the Fourth Proportional to 906,188.90, 1,250,514.24 and 498,290.32

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Solution

The fourth proportional to 906,188.90, 1,250,514.24 and 498,290.32 is: 687,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,188.90 : 1,250,514.24 = 498,290.32 : x
  2. Step 2: Convert to fraction form
    906,188.90/1,250,514.24 = 498,290.32/x
  3. Step 3: Cross multiply
    906,188.90x = 1,250,514.24 × 498,290.32
  4. Step 4: Simplify right side
    906,188.90x = 623,119,137,687.87
  5. Step 5: Solve for x
    x = 623,119,137,687.87/906,188.90
  6. Step 6: Final answer
    x = 687,626.10

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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.