Home / 527,565.24-728,039.01-285,854.36

Finding the Fourth Proportional to 527,565.24, 728,039.01 and 285,854.36

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Solution

The fourth proportional to 527,565.24, 728,039.01 and 285,854.36 is: 394,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,565.24 : 728,039.01 = 285,854.36 : x
  2. Step 2: Convert to fraction form
    527,565.24/728,039.01 = 285,854.36/x
  3. Step 3: Cross multiply
    527,565.24x = 728,039.01 × 285,854.36
  4. Step 4: Simplify right side
    527,565.24x = 208,113,122,690.34
  5. Step 5: Solve for x
    x = 208,113,122,690.34/527,565.24
  6. Step 6: Final answer
    x = 394,478.46

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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.