Home / 957,071.13-1,319,870.76-698,538.86

Finding the Fourth Proportional to 957,071.13, 1,319,870.76 and 698,538.86

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Solution

The fourth proportional to 957,071.13, 1,319,870.76 and 698,538.86 is: 963,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,071.13 : 1,319,870.76 = 698,538.86 : x
  2. Step 2: Convert to fraction form
    957,071.13/1,319,870.76 = 698,538.86/x
  3. Step 3: Cross multiply
    957,071.13x = 1,319,870.76 × 698,538.86
  4. Step 4: Simplify right side
    957,071.13x = 921,981,016,037.73
  5. Step 5: Solve for x
    x = 921,981,016,037.73/957,071.13
  6. Step 6: Final answer
    x = 963,335.94

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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.