Home / 587,925.06-811,737.27-394,622.70

Finding the Fourth Proportional to 587,925.06, 811,737.27 and 394,622.70

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Solution

The fourth proportional to 587,925.06, 811,737.27 and 394,622.70 is: 544,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,925.06 : 811,737.27 = 394,622.70 : x
  2. Step 2: Convert to fraction form
    587,925.06/811,737.27 = 394,622.70/x
  3. Step 3: Cross multiply
    587,925.06x = 811,737.27 × 394,622.70
  4. Step 4: Simplify right side
    587,925.06x = 320,329,953,178.03
  5. Step 5: Solve for x
    x = 320,329,953,178.03/587,925.06
  6. Step 6: Final answer
    x = 544,848.27

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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.