Home / 808,134.26-1,115,275.38-445,557.47

Finding the Fourth Proportional to 808,134.26, 1,115,275.38 and 445,557.47

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Solution

The fourth proportional to 808,134.26, 1,115,275.38 and 445,557.47 is: 614,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,134.26 : 1,115,275.38 = 445,557.47 : x
  2. Step 2: Convert to fraction form
    808,134.26/1,115,275.38 = 445,557.47/x
  3. Step 3: Cross multiply
    808,134.26x = 1,115,275.38 × 445,557.47
  4. Step 4: Simplify right side
    808,134.26x = 496,919,276,666.09
  5. Step 5: Solve for x
    x = 496,919,276,666.09/808,134.26
  6. Step 6: Final answer
    x = 614,896.93

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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.