Home / 1,016,981-1,398,457.14-882,611.72

Finding the Fourth Proportional to 1,016,981, 1,398,457.14 and 882,611.72

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Solution

The fourth proportional to 1,016,981, 1,398,457.14 and 882,611.72 is: 1,213,685.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,981 : 1,398,457.14 = 882,611.72 : x
  2. Step 2: Convert to fraction form
    1,016,981/1,398,457.14 = 882,611.72/x
  3. Step 3: Cross multiply
    1,016,981x = 1,398,457.14 × 882,611.72
  4. Step 4: Simplify right side
    1,016,981x = 1,234,294,661,681.68
  5. Step 5: Solve for x
    x = 1,234,294,661,681.68/1,016,981
  6. Step 6: Final answer
    x = 1,213,685.08

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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.