Home / 1,257,862.32-1,886,336.64-547,719.12

Finding the Fourth Proportional to 1,257,862.32, 1,886,336.64 and 547,719.12

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Solution

The fourth proportional to 1,257,862.32, 1,886,336.64 and 547,719.12 is: 821,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,862.32 : 1,886,336.64 = 547,719.12 : x
  2. Step 2: Convert to fraction form
    1,257,862.32/1,886,336.64 = 547,719.12/x
  3. Step 3: Cross multiply
    1,257,862.32x = 1,886,336.64 × 547,719.12
  4. Step 4: Simplify right side
    1,257,862.32x = 1,033,182,644,484.56
  5. Step 5: Solve for x
    x = 1,033,182,644,484.56/1,257,862.32
  6. Step 6: Final answer
    x = 821,379.76

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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.