Home / 317,235.60-437,889.81-283,605.35

Finding the Fourth Proportional to 317,235.60, 437,889.81 and 283,605.35

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Solution

The fourth proportional to 317,235.60, 437,889.81 and 283,605.35 is: 391,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,235.60 : 437,889.81 = 283,605.35 : x
  2. Step 2: Convert to fraction form
    317,235.60/437,889.81 = 283,605.35/x
  3. Step 3: Cross multiply
    317,235.60x = 437,889.81 × 283,605.35
  4. Step 4: Simplify right side
    317,235.60x = 124,187,892,826.48
  5. Step 5: Solve for x
    x = 124,187,892,826.48/317,235.60
  6. Step 6: Final answer
    x = 391,468.97

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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.