Home / 453,123.13-625,325.96-249,189.55

Finding the Fourth Proportional to 453,123.13, 625,325.96 and 249,189.55

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Solution

The fourth proportional to 453,123.13, 625,325.96 and 249,189.55 is: 343,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,123.13 : 625,325.96 = 249,189.55 : x
  2. Step 2: Convert to fraction form
    453,123.13/625,325.96 = 249,189.55/x
  3. Step 3: Cross multiply
    453,123.13x = 625,325.96 × 249,189.55
  4. Step 4: Simplify right side
    453,123.13x = 155,824,695,923.04
  5. Step 5: Solve for x
    x = 155,824,695,923.04/453,123.13
  6. Step 6: Final answer
    x = 343,890.41

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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.