Home / 578,191.59-867,464.84-258,612.35

Finding the Fourth Proportional to 578,191.59, 867,464.84 and 258,612.35

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Solution

The fourth proportional to 578,191.59, 867,464.84 and 258,612.35 is: 387,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,191.59 : 867,464.84 = 258,612.35 : x
  2. Step 2: Convert to fraction form
    578,191.59/867,464.84 = 258,612.35/x
  3. Step 3: Cross multiply
    578,191.59x = 867,464.84 × 258,612.35
  4. Step 4: Simplify right side
    578,191.59x = 224,337,117,123.98
  5. Step 5: Solve for x
    x = 224,337,117,123.98/578,191.59
  6. Step 6: Final answer
    x = 387,997.89

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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.