Home / 447,612.02-671,440.34-127,811.32

Finding the Fourth Proportional to 447,612.02, 671,440.34 and 127,811.32

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Solution

The fourth proportional to 447,612.02, 671,440.34 and 127,811.32 is: 191,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,612.02 : 671,440.34 = 127,811.32 : x
  2. Step 2: Convert to fraction form
    447,612.02/671,440.34 = 127,811.32/x
  3. Step 3: Cross multiply
    447,612.02x = 671,440.34 × 127,811.32
  4. Step 4: Simplify right side
    447,612.02x = 85,817,676,156.65
  5. Step 5: Solve for x
    x = 85,817,676,156.65/447,612.02
  6. Step 6: Final answer
    x = 191,723.35

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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.