Home / 851,569.49-1,275,279.22-563,205.45

Finding the Fourth Proportional to 851,569.49, 1,275,279.22 and 563,205.45

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Solution

The fourth proportional to 851,569.49, 1,275,279.22 and 563,205.45 is: 843,435.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,569.49 : 1,275,279.22 = 563,205.45 : x
  2. Step 2: Convert to fraction form
    851,569.49/1,275,279.22 = 563,205.45/x
  3. Step 3: Cross multiply
    851,569.49x = 1,275,279.22 × 563,205.45
  4. Step 4: Simplify right side
    851,569.49x = 718,244,204,159.72
  5. Step 5: Solve for x
    x = 718,244,204,159.72/851,569.49
  6. Step 6: Final answer
    x = 843,435.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.