Home / 453,147.18-625,390.90-259,570.34

Finding the Fourth Proportional to 453,147.18, 625,390.90 and 259,570.34

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Solution

The fourth proportional to 453,147.18, 625,390.90 and 259,570.34 is: 358,234.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,147.18 : 625,390.90 = 259,570.34 : x
  2. Step 2: Convert to fraction form
    453,147.18/625,390.90 = 259,570.34/x
  3. Step 3: Cross multiply
    453,147.18x = 625,390.90 × 259,570.34
  4. Step 4: Simplify right side
    453,147.18x = 162,332,928,545.91
  5. Step 5: Solve for x
    x = 162,332,928,545.91/453,147.18
  6. Step 6: Final answer
    x = 358,234.45

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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.