Home / 527,502.16-727,953.15-285,786.40

Finding the Fourth Proportional to 527,502.16, 727,953.15 and 285,786.40

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Solution

The fourth proportional to 527,502.16, 727,953.15 and 285,786.40 is: 394,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,502.16 : 727,953.15 = 285,786.40 : x
  2. Step 2: Convert to fraction form
    527,502.16/727,953.15 = 285,786.40/x
  3. Step 3: Cross multiply
    527,502.16x = 727,953.15 × 285,786.40
  4. Step 4: Simplify right side
    527,502.16x = 208,039,110,107.16
  5. Step 5: Solve for x
    x = 208,039,110,107.16/527,502.16
  6. Step 6: Final answer
    x = 394,385.32

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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.