Home / 1,257,731.31-1,886,826.69-583,719.78

Finding the Fourth Proportional to 1,257,731.31, 1,886,826.69 and 583,719.78

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Solution

The fourth proportional to 1,257,731.31, 1,886,826.69 and 583,719.78 is: 875,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,731.31 : 1,886,826.69 = 583,719.78 : x
  2. Step 2: Convert to fraction form
    1,257,731.31/1,886,826.69 = 583,719.78/x
  3. Step 3: Cross multiply
    1,257,731.31x = 1,886,826.69 × 583,719.78
  4. Step 4: Simplify right side
    1,257,731.31x = 1,101,378,060,384.93
  5. Step 5: Solve for x
    x = 1,101,378,060,384.93/1,257,731.31
  6. Step 6: Final answer
    x = 875,686.29

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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.