Home / 987,584.76-1,362,862.76-552,001.52

Finding the Fourth Proportional to 987,584.76, 1,362,862.76 and 552,001.52

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Solution

The fourth proportional to 987,584.76, 1,362,862.76 and 552,001.52 is: 761,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,584.76 : 1,362,862.76 = 552,001.52 : x
  2. Step 2: Convert to fraction form
    987,584.76/1,362,862.76 = 552,001.52/x
  3. Step 3: Cross multiply
    987,584.76x = 1,362,862.76 × 552,001.52
  4. Step 4: Simplify right side
    987,584.76x = 752,302,315,718.54
  5. Step 5: Solve for x
    x = 752,302,315,718.54/987,584.76
  6. Step 6: Final answer
    x = 761,759.75

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1.5x scale

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.