Home / 480,301.76-720,370.92-160,417.36

Finding the Fourth Proportional to 480,301.76, 720,370.92 and 160,417.36

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Solution

The fourth proportional to 480,301.76, 720,370.92 and 160,417.36 is: 240,598.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,301.76 : 720,370.92 = 160,417.36 : x
  2. Step 2: Convert to fraction form
    480,301.76/720,370.92 = 160,417.36/x
  3. Step 3: Cross multiply
    480,301.76x = 720,370.92 × 160,417.36
  4. Step 4: Simplify right side
    480,301.76x = 115,560,001,207.17
  5. Step 5: Solve for x
    x = 115,560,001,207.17/480,301.76
  6. Step 6: Final answer
    x = 240,598.75

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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.