Home / 966,898.56-1,333,890.72-644,293.92

Finding the Fourth Proportional to 966,898.56, 1,333,890.72 and 644,293.92

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Solution

The fourth proportional to 966,898.56, 1,333,890.72 and 644,293.92 is: 888,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,898.56 : 1,333,890.72 = 644,293.92 : x
  2. Step 2: Convert to fraction form
    966,898.56/1,333,890.72 = 644,293.92/x
  3. Step 3: Cross multiply
    966,898.56x = 1,333,890.72 × 644,293.92
  4. Step 4: Simplify right side
    966,898.56x = 859,417,680,840.42
  5. Step 5: Solve for x
    x = 859,417,680,840.42/966,898.56
  6. Step 6: Final answer
    x = 888,839.55

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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.