Home / 500,316.72-750,247.26-215,872.53

Finding the Fourth Proportional to 500,316.72, 750,247.26 and 215,872.53

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Solution

The fourth proportional to 500,316.72, 750,247.26 and 215,872.53 is: 323,710.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,316.72 : 750,247.26 = 215,872.53 : x
  2. Step 2: Convert to fraction form
    500,316.72/750,247.26 = 215,872.53/x
  3. Step 3: Cross multiply
    500,316.72x = 750,247.26 × 215,872.53
  4. Step 4: Simplify right side
    500,316.72x = 161,957,774,141.77
  5. Step 5: Solve for x
    x = 161,957,774,141.77/500,316.72
  6. Step 6: Final answer
    x = 323,710.50

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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.