Home / 1,241,237.53-1,712,896.07-689,938.78

Finding the Fourth Proportional to 1,241,237.53, 1,712,896.07 and 689,938.78

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Solution

The fourth proportional to 1,241,237.53, 1,712,896.07 and 689,938.78 is: 952,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,237.53 : 1,712,896.07 = 689,938.78 : x
  2. Step 2: Convert to fraction form
    1,241,237.53/1,712,896.07 = 689,938.78/x
  3. Step 3: Cross multiply
    1,241,237.53x = 1,712,896.07 × 689,938.78
  4. Step 4: Simplify right side
    1,241,237.53x = 1,181,793,421,352.90
  5. Step 5: Solve for x
    x = 1,181,793,421,352.90/1,241,237.53
  6. Step 6: Final answer
    x = 952,109.00

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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.