Home / 639,041.05-958,561.58-544,052.35

Finding the Fourth Proportional to 639,041.05, 958,561.58 and 544,052.35

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Solution

The fourth proportional to 639,041.05, 958,561.58 and 544,052.35 is: 816,078.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,041.05 : 958,561.58 = 544,052.35 : x
  2. Step 2: Convert to fraction form
    639,041.05/958,561.58 = 544,052.35/x
  3. Step 3: Cross multiply
    639,041.05x = 958,561.58 × 544,052.35
  4. Step 4: Simplify right side
    639,041.05x = 521,507,677,498.45
  5. Step 5: Solve for x
    x = 521,507,677,498.45/639,041.05
  6. Step 6: Final answer
    x = 816,078.53

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Similar ratio
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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.