Home / 754,270-1,132,148.57-554,028.28

Finding the Fourth Proportional to 754,270, 1,132,148.57 and 554,028.28

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Solution

The fourth proportional to 754,270, 1,132,148.57 and 554,028.28 is: 831,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,270 : 1,132,148.57 = 554,028.28 : x
  2. Step 2: Convert to fraction form
    754,270/1,132,148.57 = 554,028.28/x
  3. Step 3: Cross multiply
    754,270x = 1,132,148.57 × 554,028.28
  4. Step 4: Simplify right side
    754,270x = 627,242,324,941.56
  5. Step 5: Solve for x
    x = 627,242,324,941.56/754,270
  6. Step 6: Final answer
    x = 831,588.59

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1.5x scale

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.