Home / 718,669.07-1,078,751.45-529,343.22

Finding the Fourth Proportional to 718,669.07, 1,078,751.45 and 529,343.22

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Solution

The fourth proportional to 718,669.07, 1,078,751.45 and 529,343.22 is: 794,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,669.07 : 1,078,751.45 = 529,343.22 : x
  2. Step 2: Convert to fraction form
    718,669.07/1,078,751.45 = 529,343.22/x
  3. Step 3: Cross multiply
    718,669.07x = 1,078,751.45 × 529,343.22
  4. Step 4: Simplify right side
    718,669.07x = 571,029,766,122.67
  5. Step 5: Solve for x
    x = 571,029,766,122.67/718,669.07
  6. Step 6: Final answer
    x = 794,565.66

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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.