Home / 1,070,028.98-1,605,253.26-396,115.46

Finding the Fourth Proportional to 1,070,028.98, 1,605,253.26 and 396,115.46

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Solution

The fourth proportional to 1,070,028.98, 1,605,253.26 and 396,115.46 is: 594,250.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,028.98 : 1,605,253.26 = 396,115.46 : x
  2. Step 2: Convert to fraction form
    1,070,028.98/1,605,253.26 = 396,115.46/x
  3. Step 3: Cross multiply
    1,070,028.98x = 1,605,253.26 × 396,115.46
  4. Step 4: Simplify right side
    1,070,028.98x = 635,865,633,501.40
  5. Step 5: Solve for x
    x = 635,865,633,501.40/1,070,028.98
  6. Step 6: Final answer
    x = 594,250.85

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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.