Home / 644,913.55-887,947.81-585,126.42

Finding the Fourth Proportional to 644,913.55, 887,947.81 and 585,126.42

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Solution

The fourth proportional to 644,913.55, 887,947.81 and 585,126.42 is: 805,630.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,913.55 : 887,947.81 = 585,126.42 : x
  2. Step 2: Convert to fraction form
    644,913.55/887,947.81 = 585,126.42/x
  3. Step 3: Cross multiply
    644,913.55x = 887,947.81 × 585,126.42
  4. Step 4: Simplify right side
    644,913.55x = 519,561,723,212.14
  5. Step 5: Solve for x
    x = 519,561,723,212.14/644,913.55
  6. Step 6: Final answer
    x = 805,630.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.