Home / 639,027.80-958,541.70-544,039.10

Finding the Fourth Proportional to 639,027.80, 958,541.70 and 544,039.10

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Solution

The fourth proportional to 639,027.80, 958,541.70 and 544,039.10 is: 816,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,027.80 : 958,541.70 = 544,039.10 : x
  2. Step 2: Convert to fraction form
    639,027.80/958,541.70 = 544,039.10/x
  3. Step 3: Cross multiply
    639,027.80x = 958,541.70 × 544,039.10
  4. Step 4: Simplify right side
    639,027.80x = 521,484,163,780.47
  5. Step 5: Solve for x
    x = 521,484,163,780.47/639,027.80
  6. Step 6: Final answer
    x = 816,058.65

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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.