Home / 835,399.47-1,152,836.81-453,418.05

Finding the Fourth Proportional to 835,399.47, 1,152,836.81 and 453,418.05

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Solution

The fourth proportional to 835,399.47, 1,152,836.81 and 453,418.05 is: 625,709.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,399.47 : 1,152,836.81 = 453,418.05 : x
  2. Step 2: Convert to fraction form
    835,399.47/1,152,836.81 = 453,418.05/x
  3. Step 3: Cross multiply
    835,399.47x = 1,152,836.81 × 453,418.05
  4. Step 4: Simplify right side
    835,399.47x = 522,717,010,327.15
  5. Step 5: Solve for x
    x = 522,717,010,327.15/835,399.47
  6. Step 6: Final answer
    x = 625,709.06

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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.