Home / 409,217.77-564,631.46-248,112.42

Finding the Fourth Proportional to 409,217.77, 564,631.46 and 248,112.42

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Solution

The fourth proportional to 409,217.77, 564,631.46 and 248,112.42 is: 342,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,217.77 : 564,631.46 = 248,112.42 : x
  2. Step 2: Convert to fraction form
    409,217.77/564,631.46 = 248,112.42/x
  3. Step 3: Cross multiply
    409,217.77x = 564,631.46 × 248,112.42
  4. Step 4: Simplify right side
    409,217.77x = 140,092,075,521.23
  5. Step 5: Solve for x
    x = 140,092,075,521.23/409,217.77
  6. Step 6: Final answer
    x = 342,341.13

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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.