Home / 460,317.12-690,641.28-160,841.76

Finding the Fourth Proportional to 460,317.12, 690,641.28 and 160,841.76

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Solution

The fourth proportional to 460,317.12, 690,641.28 and 160,841.76 is: 241,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,317.12 : 690,641.28 = 160,841.76 : x
  2. Step 2: Convert to fraction form
    460,317.12/690,641.28 = 160,841.76/x
  3. Step 3: Cross multiply
    460,317.12x = 690,641.28 × 160,841.76
  4. Step 4: Simplify right side
    460,317.12x = 111,083,959,003.85
  5. Step 5: Solve for x
    x = 111,083,959,003.85/460,317.12
  6. Step 6: Final answer
    x = 241,320.50

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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.