Home / 651,422.59-977,331.42-314,400.42

Finding the Fourth Proportional to 651,422.59, 977,331.42 and 314,400.42

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Solution

The fourth proportional to 651,422.59, 977,331.42 and 314,400.42 is: 471,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,422.59 : 977,331.42 = 314,400.42 : x
  2. Step 2: Convert to fraction form
    651,422.59/977,331.42 = 314,400.42/x
  3. Step 3: Cross multiply
    651,422.59x = 977,331.42 × 314,400.42
  4. Step 4: Simplify right side
    651,422.59x = 307,273,408,927.20
  5. Step 5: Solve for x
    x = 307,273,408,927.20/651,422.59
  6. Step 6: Final answer
    x = 471,695.97

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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.