Home / 1,064,693.75-1,596,253.31-643,876.07

Finding the Fourth Proportional to 1,064,693.75, 1,596,253.31 and 643,876.07

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Solution

The fourth proportional to 1,064,693.75, 1,596,253.31 and 643,876.07 is: 965,337.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,693.75 : 1,596,253.31 = 643,876.07 : x
  2. Step 2: Convert to fraction form
    1,064,693.75/1,596,253.31 = 643,876.07/x
  3. Step 3: Cross multiply
    1,064,693.75x = 1,596,253.31 × 643,876.07
  4. Step 4: Simplify right side
    1,064,693.75x = 1,027,789,304,747.91
  5. Step 5: Solve for x
    x = 1,027,789,304,747.91/1,064,693.75
  6. Step 6: Final answer
    x = 965,337.97

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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.