Home / 1,440,988.00-1,988,569.42-787,627.01

Finding the Fourth Proportional to 1,440,988.00, 1,988,569.42 and 787,627.01

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Solution

The fourth proportional to 1,440,988.00, 1,988,569.42 and 787,627.01 is: 1,086,928.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,988.00 : 1,988,569.42 = 787,627.01 : x
  2. Step 2: Convert to fraction form
    1,440,988.00/1,988,569.42 = 787,627.01/x
  3. Step 3: Cross multiply
    1,440,988.00x = 1,988,569.42 × 787,627.01
  4. Step 4: Simplify right side
    1,440,988.00x = 1,566,250,989,454.39
  5. Step 5: Solve for x
    x = 1,566,250,989,454.39/1,440,988.00
  6. Step 6: Final answer
    x = 1,086,928.55

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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.