Home / 878,275.01-1,211,952.76-534,063.42

Finding the Fourth Proportional to 878,275.01, 1,211,952.76 and 534,063.42

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Solution

The fourth proportional to 878,275.01, 1,211,952.76 and 534,063.42 is: 736,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,275.01 : 1,211,952.76 = 534,063.42 : x
  2. Step 2: Convert to fraction form
    878,275.01/1,211,952.76 = 534,063.42/x
  3. Step 3: Cross multiply
    878,275.01x = 1,211,952.76 × 534,063.42
  4. Step 4: Simplify right side
    878,275.01x = 647,259,634,548.88
  5. Step 5: Solve for x
    x = 647,259,634,548.88/878,275.01
  6. Step 6: Final answer
    x = 736,966.92

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Double scale
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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.