Home / 1,011,707.76-1,396,807.56-649,287.84

Finding the Fourth Proportional to 1,011,707.76, 1,396,807.56 and 649,287.84

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Solution

The fourth proportional to 1,011,707.76, 1,396,807.56 and 649,287.84 is: 896,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,707.76 : 1,396,807.56 = 649,287.84 : x
  2. Step 2: Convert to fraction form
    1,011,707.76/1,396,807.56 = 649,287.84/x
  3. Step 3: Cross multiply
    1,011,707.76x = 1,396,807.56 × 649,287.84
  4. Step 4: Simplify right side
    1,011,707.76x = 906,930,163,528.07
  5. Step 5: Solve for x
    x = 906,930,163,528.07/1,011,707.76
  6. Step 6: Final answer
    x = 896,434.92

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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.