Home / 563,402.10-845,435.29-208,665.24

Finding the Fourth Proportional to 563,402.10, 845,435.29 and 208,665.24

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Solution

The fourth proportional to 563,402.10, 845,435.29 and 208,665.24 is: 313,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,402.10 : 845,435.29 = 208,665.24 : x
  2. Step 2: Convert to fraction form
    563,402.10/845,435.29 = 208,665.24/x
  3. Step 3: Cross multiply
    563,402.10x = 845,435.29 × 208,665.24
  4. Step 4: Simplify right side
    563,402.10x = 176,412,957,692.32
  5. Step 5: Solve for x
    x = 176,412,957,692.32/563,402.10
  6. Step 6: Final answer
    x = 313,120.87

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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.