Home / 453,129.12-625,334.25-249,195.57

Finding the Fourth Proportional to 453,129.12, 625,334.25 and 249,195.57

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Solution

The fourth proportional to 453,129.12, 625,334.25 and 249,195.57 is: 343,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,129.12 : 625,334.25 = 249,195.57 : x
  2. Step 2: Convert to fraction form
    453,129.12/625,334.25 = 249,195.57/x
  3. Step 3: Cross multiply
    453,129.12x = 625,334.25 × 249,195.57
  4. Step 4: Simplify right side
    453,129.12x = 155,830,524,869.27
  5. Step 5: Solve for x
    x = 155,830,524,869.27/453,129.12
  6. Step 6: Final answer
    x = 343,898.72

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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.