Home / 906,109.46-1,250,463.15-498,242.36

Finding the Fourth Proportional to 906,109.46, 1,250,463.15 and 498,242.36

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Solution

The fourth proportional to 906,109.46, 1,250,463.15 and 498,242.36 is: 687,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,109.46 : 1,250,463.15 = 498,242.36 : x
  2. Step 2: Convert to fraction form
    906,109.46/1,250,463.15 = 498,242.36/x
  3. Step 3: Cross multiply
    906,109.46x = 1,250,463.15 × 498,242.36
  4. Step 4: Simplify right side
    906,109.46x = 623,033,710,949.03
  5. Step 5: Solve for x
    x = 623,033,710,949.03/906,109.46
  6. Step 6: Final answer
    x = 687,592.10

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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.