Home / 927,117.69-1,391,261.58-394,637.87

Finding the Fourth Proportional to 927,117.69, 1,391,261.58 and 394,637.87

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Solution

The fourth proportional to 927,117.69, 1,391,261.58 and 394,637.87 is: 592,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,117.69 : 1,391,261.58 = 394,637.87 : x
  2. Step 2: Convert to fraction form
    927,117.69/1,391,261.58 = 394,637.87/x
  3. Step 3: Cross multiply
    927,117.69x = 1,391,261.58 × 394,637.87
  4. Step 4: Simplify right side
    927,117.69x = 549,044,499,587.73
  5. Step 5: Solve for x
    x = 549,044,499,587.73/927,117.69
  6. Step 6: Final answer
    x = 592,205.83

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1.5x scale

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.