Home / 835,423.80-1,152,853.92-453,442.38

Finding the Fourth Proportional to 835,423.80, 1,152,853.92 and 453,442.38

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Solution

The fourth proportional to 835,423.80, 1,152,853.92 and 453,442.38 is: 625,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,423.80 : 1,152,853.92 = 453,442.38 : x
  2. Step 2: Convert to fraction form
    835,423.80/1,152,853.92 = 453,442.38/x
  3. Step 3: Cross multiply
    835,423.80x = 1,152,853.92 × 453,442.38
  4. Step 4: Simplify right side
    835,423.80x = 522,752,825,277.13
  5. Step 5: Solve for x
    x = 522,752,825,277.13/835,423.80
  6. Step 6: Final answer
    x = 625,733.70

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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.