Home / 453,125.12-625,328.72-249,191.56

Finding the Fourth Proportional to 453,125.12, 625,328.72 and 249,191.56

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Solution

The fourth proportional to 453,125.12, 625,328.72 and 249,191.56 is: 343,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,125.12 : 625,328.72 = 249,191.56 : x
  2. Step 2: Convert to fraction form
    453,125.12/625,328.72 = 249,191.56/x
  3. Step 3: Cross multiply
    453,125.12x = 625,328.72 × 249,191.56
  4. Step 4: Simplify right side
    453,125.12x = 155,826,639,249.60
  5. Step 5: Solve for x
    x = 155,826,639,249.60/453,125.12
  6. Step 6: Final answer
    x = 343,893.18

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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.