Home / 835,421.44-1,152,882.75-453,448.30

Finding the Fourth Proportional to 835,421.44, 1,152,882.75 and 453,448.30

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Solution

The fourth proportional to 835,421.44, 1,152,882.75 and 453,448.30 is: 625,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,421.44 : 1,152,882.75 = 453,448.30 : x
  2. Step 2: Convert to fraction form
    835,421.44/1,152,882.75 = 453,448.30/x
  3. Step 3: Cross multiply
    835,421.44x = 1,152,882.75 × 453,448.30
  4. Step 4: Simplify right side
    835,421.44x = 522,772,723,086.83
  5. Step 5: Solve for x
    x = 522,772,723,086.83/835,421.44
  6. Step 6: Final answer
    x = 625,759.29

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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.