Home / 911,519.49-1,257,947.36-503,612.58

Finding the Fourth Proportional to 911,519.49, 1,257,947.36 and 503,612.58

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Solution

The fourth proportional to 911,519.49, 1,257,947.36 and 503,612.58 is: 695,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,519.49 : 1,257,947.36 = 503,612.58 : x
  2. Step 2: Convert to fraction form
    911,519.49/1,257,947.36 = 503,612.58/x
  3. Step 3: Cross multiply
    911,519.49x = 1,257,947.36 × 503,612.58
  4. Step 4: Simplify right side
    911,519.49x = 633,518,112,955.73
  5. Step 5: Solve for x
    x = 633,518,112,955.73/911,519.49
  6. Step 6: Final answer
    x = 695,013.24

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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.