Home / 807,881.94-1,114,826.76-445,308.66

Finding the Fourth Proportional to 807,881.94, 1,114,826.76 and 445,308.66

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Solution

The fourth proportional to 807,881.94, 1,114,826.76 and 445,308.66 is: 614,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,881.94 : 1,114,826.76 = 445,308.66 : x
  2. Step 2: Convert to fraction form
    807,881.94/1,114,826.76 = 445,308.66/x
  3. Step 3: Cross multiply
    807,881.94x = 1,114,826.76 × 445,308.66
  4. Step 4: Simplify right side
    807,881.94x = 496,442,010,627.74
  5. Step 5: Solve for x
    x = 496,442,010,627.74/807,881.94
  6. Step 6: Final answer
    x = 614,498.22

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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.