Home / 445,535.10-614,692.80-284,442.30

Finding the Fourth Proportional to 445,535.10, 614,692.80 and 284,442.30

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Solution

The fourth proportional to 445,535.10, 614,692.80 and 284,442.30 is: 392,437.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,535.10 : 614,692.80 = 284,442.30 : x
  2. Step 2: Convert to fraction form
    445,535.10/614,692.80 = 284,442.30/x
  3. Step 3: Cross multiply
    445,535.10x = 614,692.80 × 284,442.30
  4. Step 4: Simplify right side
    445,535.10x = 174,844,633,825.44
  5. Step 5: Solve for x
    x = 174,844,633,825.44/445,535.10
  6. Step 6: Final answer
    x = 392,437.39

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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.