Home / 377,655.93-521,176.92-205,585.35

Finding the Fourth Proportional to 377,655.93, 521,176.92 and 205,585.35

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Solution

The fourth proportional to 377,655.93, 521,176.92 and 205,585.35 is: 283,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,655.93 : 521,176.92 = 205,585.35 : x
  2. Step 2: Convert to fraction form
    377,655.93/521,176.92 = 205,585.35/x
  3. Step 3: Cross multiply
    377,655.93x = 521,176.92 × 205,585.35
  4. Step 4: Simplify right side
    377,655.93x = 107,146,339,510.12
  5. Step 5: Solve for x
    x = 107,146,339,510.12/377,655.93
  6. Step 6: Final answer
    x = 283,714.17

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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.