Home / 805,520.55-1,111,614.40-474,568.63

Finding the Fourth Proportional to 805,520.55, 1,111,614.40 and 474,568.63

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Solution

The fourth proportional to 805,520.55, 1,111,614.40 and 474,568.63 is: 654,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,520.55 : 1,111,614.40 = 474,568.63 : x
  2. Step 2: Convert to fraction form
    805,520.55/1,111,614.40 = 474,568.63/x
  3. Step 3: Cross multiply
    805,520.55x = 1,111,614.40 × 474,568.63
  4. Step 4: Simplify right side
    805,520.55x = 527,537,320,710.45
  5. Step 5: Solve for x
    x = 527,537,320,710.45/805,520.55
  6. Step 6: Final answer
    x = 654,902.37

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Double scale
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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.