Home / 1,036,139.40-1,554,260.30-538,475.40

Finding the Fourth Proportional to 1,036,139.40, 1,554,260.30 and 538,475.40

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Solution

The fourth proportional to 1,036,139.40, 1,554,260.30 and 538,475.40 is: 807,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,139.40 : 1,554,260.30 = 538,475.40 : x
  2. Step 2: Convert to fraction form
    1,036,139.40/1,554,260.30 = 538,475.40/x
  3. Step 3: Cross multiply
    1,036,139.40x = 1,554,260.30 × 538,475.40
  4. Step 4: Simplify right side
    1,036,139.40x = 836,930,936,746.62
  5. Step 5: Solve for x
    x = 836,930,936,746.62/1,036,139.40
  6. Step 6: Final answer
    x = 807,739.71

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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.