Home / 718,341.12-1,078,212.87-593,255.64

Finding the Fourth Proportional to 718,341.12, 1,078,212.87 and 593,255.64

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Solution

The fourth proportional to 718,341.12, 1,078,212.87 and 593,255.64 is: 890,462.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,341.12 : 1,078,212.87 = 593,255.64 : x
  2. Step 2: Convert to fraction form
    718,341.12/1,078,212.87 = 593,255.64/x
  3. Step 3: Cross multiply
    718,341.12x = 1,078,212.87 × 593,255.64
  4. Step 4: Simplify right side
    718,341.12x = 639,655,866,248.09
  5. Step 5: Solve for x
    x = 639,655,866,248.09/718,341.12
  6. Step 6: Final answer
    x = 890,462.55

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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.