Home / 871,618.56-1,203,083.52-527,454.72

Finding the Fourth Proportional to 871,618.56, 1,203,083.52 and 527,454.72

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Solution

The fourth proportional to 871,618.56, 1,203,083.52 and 527,454.72 is: 728,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,618.56 : 1,203,083.52 = 527,454.72 : x
  2. Step 2: Convert to fraction form
    871,618.56/1,203,083.52 = 527,454.72/x
  3. Step 3: Cross multiply
    871,618.56x = 1,203,083.52 × 527,454.72
  4. Step 4: Simplify right side
    871,618.56x = 634,572,081,178.21
  5. Step 5: Solve for x
    x = 634,572,081,178.21/871,618.56
  6. Step 6: Final answer
    x = 728,038.74

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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.