Home / 1,318,248.78-1,977,963.93-607,896.06

Finding the Fourth Proportional to 1,318,248.78, 1,977,963.93 and 607,896.06

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Solution

The fourth proportional to 1,318,248.78, 1,977,963.93 and 607,896.06 is: 912,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,248.78 : 1,977,963.93 = 607,896.06 : x
  2. Step 2: Convert to fraction form
    1,318,248.78/1,977,963.93 = 607,896.06/x
  3. Step 3: Cross multiply
    1,318,248.78x = 1,977,963.93 × 607,896.06
  4. Step 4: Simplify right side
    1,318,248.78x = 1,202,396,479,869.12
  5. Step 5: Solve for x
    x = 1,202,396,479,869.12/1,318,248.78
  6. Step 6: Final answer
    x = 912,116.51

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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.