Home / 911,417.34-1,257,751.88-503,519.24

Finding the Fourth Proportional to 911,417.34, 1,257,751.88 and 503,519.24

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Solution

The fourth proportional to 911,417.34, 1,257,751.88 and 503,519.24 is: 694,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,417.34 : 1,257,751.88 = 503,519.24 : x
  2. Step 2: Convert to fraction form
    911,417.34/1,257,751.88 = 503,519.24/x
  3. Step 3: Cross multiply
    911,417.34x = 1,257,751.88 × 503,519.24
  4. Step 4: Simplify right side
    911,417.34x = 633,302,270,726.17
  5. Step 5: Solve for x
    x = 633,302,270,726.17/911,417.34
  6. Step 6: Final answer
    x = 694,854.31

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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.