Home / 835,431.28-1,152,864.30-453,449.86

Finding the Fourth Proportional to 835,431.28, 1,152,864.30 and 453,449.86

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Solution

The fourth proportional to 835,431.28, 1,152,864.30 and 453,449.86 is: 625,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,431.28 : 1,152,864.30 = 453,449.86 : x
  2. Step 2: Convert to fraction form
    835,431.28/1,152,864.30 = 453,449.86/x
  3. Step 3: Cross multiply
    835,431.28x = 1,152,864.30 × 453,449.86
  4. Step 4: Simplify right side
    835,431.28x = 522,766,155,434.00
  5. Step 5: Solve for x
    x = 522,766,155,434.00/835,431.28
  6. Step 6: Final answer
    x = 625,744.05

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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.