Home / 1,057,229.32-1,458,312.87-627,205

Finding the Fourth Proportional to 1,057,229.32, 1,458,312.87 and 627,205

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Solution

The fourth proportional to 1,057,229.32, 1,458,312.87 and 627,205 is: 865,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,229.32 : 1,458,312.87 = 627,205 : x
  2. Step 2: Convert to fraction form
    1,057,229.32/1,458,312.87 = 627,205/x
  3. Step 3: Cross multiply
    1,057,229.32x = 1,458,312.87 × 627,205
  4. Step 4: Simplify right side
    1,057,229.32x = 914,661,123,628.35
  5. Step 5: Solve for x
    x = 914,661,123,628.35/1,057,229.32
  6. Step 6: Final answer
    x = 865,149.22

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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.