Home / 651,570.32-899,167.35-396,921.53

Finding the Fourth Proportional to 651,570.32, 899,167.35 and 396,921.53

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Solution

The fourth proportional to 651,570.32, 899,167.35 and 396,921.53 is: 547,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,570.32 : 899,167.35 = 396,921.53 : x
  2. Step 2: Convert to fraction form
    651,570.32/899,167.35 = 396,921.53/x
  3. Step 3: Cross multiply
    651,570.32x = 899,167.35 × 396,921.53
  4. Step 4: Simplify right side
    651,570.32x = 356,898,880,288.05
  5. Step 5: Solve for x
    x = 356,898,880,288.05/651,570.32
  6. Step 6: Final answer
    x = 547,751.90

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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.