Home / 651,572.32-899,170.11-396,923.53

Finding the Fourth Proportional to 651,572.32, 899,170.11 and 396,923.53

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Solution

The fourth proportional to 651,572.32, 899,170.11 and 396,923.53 is: 547,754.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,572.32 : 899,170.11 = 396,923.53 : x
  2. Step 2: Convert to fraction form
    651,572.32/899,170.11 = 396,923.53/x
  3. Step 3: Cross multiply
    651,572.32x = 899,170.11 × 396,923.53
  4. Step 4: Simplify right side
    651,572.32x = 356,901,774,131.69
  5. Step 5: Solve for x
    x = 356,901,774,131.69/651,572.32
  6. Step 6: Final answer
    x = 547,754.66

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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.