Home / 890,807.59-1,229,299.39-503,617.16

Finding the Fourth Proportional to 890,807.59, 1,229,299.39 and 503,617.16

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Solution

The fourth proportional to 890,807.59, 1,229,299.39 and 503,617.16 is: 694,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,807.59 : 1,229,299.39 = 503,617.16 : x
  2. Step 2: Convert to fraction form
    890,807.59/1,229,299.39 = 503,617.16/x
  3. Step 3: Cross multiply
    890,807.59x = 1,229,299.39 × 503,617.16
  4. Step 4: Simplify right side
    890,807.59x = 619,096,268,451.46
  5. Step 5: Solve for x
    x = 619,096,268,451.46/890,807.59
  6. Step 6: Final answer
    x = 694,983.15

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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.