Home / 1,039,102.10-1,557,789.15-440,522.90

Finding the Fourth Proportional to 1,039,102.10, 1,557,789.15 and 440,522.90

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Solution

The fourth proportional to 1,039,102.10, 1,557,789.15 and 440,522.90 is: 660,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,102.10 : 1,557,789.15 = 440,522.90 : x
  2. Step 2: Convert to fraction form
    1,039,102.10/1,557,789.15 = 440,522.90/x
  3. Step 3: Cross multiply
    1,039,102.10x = 1,557,789.15 × 440,522.90
  4. Step 4: Simplify right side
    1,039,102.10x = 686,241,793,946.54
  5. Step 5: Solve for x
    x = 686,241,793,946.54/1,039,102.10
  6. Step 6: Final answer
    x = 660,418.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.