Home / 835,404.12-1,152,826.80-453,422.70

Finding the Fourth Proportional to 835,404.12, 1,152,826.80 and 453,422.70

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Solution

The fourth proportional to 835,404.12, 1,152,826.80 and 453,422.70 is: 625,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,404.12 : 1,152,826.80 = 453,422.70 : x
  2. Step 2: Convert to fraction form
    835,404.12/1,152,826.80 = 453,422.70/x
  3. Step 3: Cross multiply
    835,404.12x = 1,152,826.80 × 453,422.70
  4. Step 4: Simplify right side
    835,404.12x = 522,717,840,288.36
  5. Step 5: Solve for x
    x = 522,717,840,288.36/835,404.12
  6. Step 6: Final answer
    x = 625,706.56

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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.