Home / 897,163.70-1,345,983.15-391,507.70

Finding the Fourth Proportional to 897,163.70, 1,345,983.15 and 391,507.70

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Solution

The fourth proportional to 897,163.70, 1,345,983.15 and 391,507.70 is: 587,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,163.70 : 1,345,983.15 = 391,507.70 : x
  2. Step 2: Convert to fraction form
    897,163.70/1,345,983.15 = 391,507.70/x
  3. Step 3: Cross multiply
    897,163.70x = 1,345,983.15 × 391,507.70
  4. Step 4: Simplify right side
    897,163.70x = 526,962,767,295.26
  5. Step 5: Solve for x
    x = 526,962,767,295.26/897,163.70
  6. Step 6: Final answer
    x = 587,365.23

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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.