Home / 887,332.82-1,224,519.26-479,434.77

Finding the Fourth Proportional to 887,332.82, 1,224,519.26 and 479,434.77

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Solution

The fourth proportional to 887,332.82, 1,224,519.26 and 479,434.77 is: 661,619.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,332.82 : 1,224,519.26 = 479,434.77 : x
  2. Step 2: Convert to fraction form
    887,332.82/1,224,519.26 = 479,434.77/x
  3. Step 3: Cross multiply
    887,332.82x = 1,224,519.26 × 479,434.77
  4. Step 4: Simplify right side
    887,332.82x = 587,077,107,381.50
  5. Step 5: Solve for x
    x = 587,077,107,381.50/887,332.82
  6. Step 6: Final answer
    x = 661,619.97

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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.