Home / 754,525.21-1,131,900.33-249,139.57

Finding the Fourth Proportional to 754,525.21, 1,131,900.33 and 249,139.57

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Solution

The fourth proportional to 754,525.21, 1,131,900.33 and 249,139.57 is: 373,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,525.21 : 1,131,900.33 = 249,139.57 : x
  2. Step 2: Convert to fraction form
    754,525.21/1,131,900.33 = 249,139.57/x
  3. Step 3: Cross multiply
    754,525.21x = 1,131,900.33 × 249,139.57
  4. Step 4: Simplify right side
    754,525.21x = 282,001,155,839.56
  5. Step 5: Solve for x
    x = 282,001,155,839.56/754,525.21
  6. Step 6: Final answer
    x = 373,746.50

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Double scale
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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.