Home / 563,876.15-778,077.39-322,174.38

Finding the Fourth Proportional to 563,876.15, 778,077.39 and 322,174.38

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Solution

The fourth proportional to 563,876.15, 778,077.39 and 322,174.38 is: 444,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,876.15 : 778,077.39 = 322,174.38 : x
  2. Step 2: Convert to fraction form
    563,876.15/778,077.39 = 322,174.38/x
  3. Step 3: Cross multiply
    563,876.15x = 778,077.39 × 322,174.38
  4. Step 4: Simplify right side
    563,876.15x = 250,676,600,715.27
  5. Step 5: Solve for x
    x = 250,676,600,715.27/563,876.15
  6. Step 6: Final answer
    x = 444,559.68

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1.5x scale

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.