Home / 1,257,436.87-1,885,999.38-358,957.33

Finding the Fourth Proportional to 1,257,436.87, 1,885,999.38 and 358,957.33

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Solution

The fourth proportional to 1,257,436.87, 1,885,999.38 and 358,957.33 is: 538,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,436.87 : 1,885,999.38 = 358,957.33 : x
  2. Step 2: Convert to fraction form
    1,257,436.87/1,885,999.38 = 358,957.33/x
  3. Step 3: Cross multiply
    1,257,436.87x = 1,885,999.38 × 358,957.33
  4. Step 4: Simplify right side
    1,257,436.87x = 676,993,301,826.46
  5. Step 5: Solve for x
    x = 676,993,301,826.46/1,257,436.87
  6. Step 6: Final answer
    x = 538,391.48

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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.