Home / 927,662.52-1,391,692.38-287,952.21

Finding the Fourth Proportional to 927,662.52, 1,391,692.38 and 287,952.21

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Solution

The fourth proportional to 927,662.52, 1,391,692.38 and 287,952.21 is: 431,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,662.52 : 1,391,692.38 = 287,952.21 : x
  2. Step 2: Convert to fraction form
    927,662.52/1,391,692.38 = 287,952.21/x
  3. Step 3: Cross multiply
    927,662.52x = 1,391,692.38 × 287,952.21
  4. Step 4: Simplify right side
    927,662.52x = 400,740,896,461.16
  5. Step 5: Solve for x
    x = 400,740,896,461.16/927,662.52
  6. Step 6: Final answer
    x = 431,989.96

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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.