Home / 873,155.91-1,204,953.26-491,182.70

Finding the Fourth Proportional to 873,155.91, 1,204,953.26 and 491,182.70

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Solution

The fourth proportional to 873,155.91, 1,204,953.26 and 491,182.70 is: 677,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,155.91 : 1,204,953.26 = 491,182.70 : x
  2. Step 2: Convert to fraction form
    873,155.91/1,204,953.26 = 491,182.70/x
  3. Step 3: Cross multiply
    873,155.91x = 1,204,953.26 × 491,182.70
  4. Step 4: Simplify right side
    873,155.91x = 591,852,187,139.92
  5. Step 5: Solve for x
    x = 591,852,187,139.92/873,155.91
  6. Step 6: Final answer
    x = 677,831.05

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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.