Home / 852,743.52-1,176,824.16-490,284.96

Finding the Fourth Proportional to 852,743.52, 1,176,824.16 and 490,284.96

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Solution

The fourth proportional to 852,743.52, 1,176,824.16 and 490,284.96 is: 676,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,743.52 : 1,176,824.16 = 490,284.96 : x
  2. Step 2: Convert to fraction form
    852,743.52/1,176,824.16 = 490,284.96/x
  3. Step 3: Cross multiply
    852,743.52x = 1,176,824.16 × 490,284.96
  4. Step 4: Simplify right side
    852,743.52x = 576,979,186,212.63
  5. Step 5: Solve for x
    x = 576,979,186,212.63/852,743.52
  6. Step 6: Final answer
    x = 676,615.15

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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.