Home / 639,552.10-958,244.20-386,300.52

Finding the Fourth Proportional to 639,552.10, 958,244.20 and 386,300.52

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Solution

The fourth proportional to 639,552.10, 958,244.20 and 386,300.52 is: 578,796.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,552.10 : 958,244.20 = 386,300.52 : x
  2. Step 2: Convert to fraction form
    639,552.10/958,244.20 = 386,300.52/x
  3. Step 3: Cross multiply
    639,552.10x = 958,244.20 × 386,300.52
  4. Step 4: Simplify right side
    639,552.10x = 370,170,232,746.98
  5. Step 5: Solve for x
    x = 370,170,232,746.98/639,552.10
  6. Step 6: Final answer
    x = 578,796.06

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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.