Home / 911,589.56-1,257,972.90-503,692.18

Finding the Fourth Proportional to 911,589.56, 1,257,972.90 and 503,692.18

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Solution

The fourth proportional to 911,589.56, 1,257,972.90 and 503,692.18 is: 695,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,589.56 : 1,257,972.90 = 503,692.18 : x
  2. Step 2: Convert to fraction form
    911,589.56/1,257,972.90 = 503,692.18/x
  3. Step 3: Cross multiply
    911,589.56x = 1,257,972.90 × 503,692.18
  4. Step 4: Simplify right side
    911,589.56x = 633,631,112,381.92
  5. Step 5: Solve for x
    x = 633,631,112,381.92/911,589.56
  6. Step 6: Final answer
    x = 695,083.77

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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.