Home / 740,882.24-1,022,422.40-401,350.24

Finding the Fourth Proportional to 740,882.24, 1,022,422.40 and 401,350.24

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Solution

The fourth proportional to 740,882.24, 1,022,422.40 and 401,350.24 is: 553,865.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,882.24 : 1,022,422.40 = 401,350.24 : x
  2. Step 2: Convert to fraction form
    740,882.24/1,022,422.40 = 401,350.24/x
  3. Step 3: Cross multiply
    740,882.24x = 1,022,422.40 × 401,350.24
  4. Step 4: Simplify right side
    740,882.24x = 410,349,475,621.38
  5. Step 5: Solve for x
    x = 410,349,475,621.38/740,882.24
  6. Step 6: Final answer
    x = 553,865.99

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Half scale
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Double scale
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Similar ratio
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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.