Home / 859,561.61-1,287,570.73-503,496.14

Finding the Fourth Proportional to 859,561.61, 1,287,570.73 and 503,496.14

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Solution

The fourth proportional to 859,561.61, 1,287,570.73 and 503,496.14 is: 754,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,561.61 : 1,287,570.73 = 503,496.14 : x
  2. Step 2: Convert to fraction form
    859,561.61/1,287,570.73 = 503,496.14/x
  3. Step 3: Cross multiply
    859,561.61x = 1,287,570.73 × 503,496.14
  4. Step 4: Simplify right side
    859,561.61x = 648,286,892,531.98
  5. Step 5: Solve for x
    x = 648,286,892,531.98/859,561.61
  6. Step 6: Final answer
    x = 754,206.43

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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.