Home / 377,118.42-520,432.32-205,046.22

Finding the Fourth Proportional to 377,118.42, 520,432.32 and 205,046.22

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Solution

The fourth proportional to 377,118.42, 520,432.32 and 205,046.22 is: 282,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,118.42 : 520,432.32 = 205,046.22 : x
  2. Step 2: Convert to fraction form
    377,118.42/520,432.32 = 205,046.22/x
  3. Step 3: Cross multiply
    377,118.42x = 520,432.32 × 205,046.22
  4. Step 4: Simplify right side
    377,118.42x = 106,712,679,981.83
  5. Step 5: Solve for x
    x = 106,712,679,981.83/377,118.42
  6. Step 6: Final answer
    x = 282,968.62

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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.