Home / 896,279.52-1,236,878.64-493,862.88

Finding the Fourth Proportional to 896,279.52, 1,236,878.64 and 493,862.88

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Solution

The fourth proportional to 896,279.52, 1,236,878.64 and 493,862.88 is: 681,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,279.52 : 1,236,878.64 = 493,862.88 : x
  2. Step 2: Convert to fraction form
    896,279.52/1,236,878.64 = 493,862.88/x
  3. Step 3: Cross multiply
    896,279.52x = 1,236,878.64 × 493,862.88
  4. Step 4: Simplify right side
    896,279.52x = 610,848,447,360.88
  5. Step 5: Solve for x
    x = 610,848,447,360.88/896,279.52
  6. Step 6: Final answer
    x = 681,537.88

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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.