Home / 666,787.32-999,170.73-441,340.11

Finding the Fourth Proportional to 666,787.32, 999,170.73 and 441,340.11

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Solution

The fourth proportional to 666,787.32, 999,170.73 and 441,340.11 is: 661,341.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,787.32 : 999,170.73 = 441,340.11 : x
  2. Step 2: Convert to fraction form
    666,787.32/999,170.73 = 441,340.11/x
  3. Step 3: Cross multiply
    666,787.32x = 999,170.73 × 441,340.11
  4. Step 4: Simplify right side
    666,787.32x = 440,974,119,886.98
  5. Step 5: Solve for x
    x = 440,974,119,886.98/666,787.32
  6. Step 6: Final answer
    x = 661,341.49

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1.5x scale

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.