Home / 1,243,250.38-1,715,683.06-699,386.59

Finding the Fourth Proportional to 1,243,250.38, 1,715,683.06 and 699,386.59

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Solution

The fourth proportional to 1,243,250.38, 1,715,683.06 and 699,386.59 is: 965,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,250.38 : 1,715,683.06 = 699,386.59 : x
  2. Step 2: Convert to fraction form
    1,243,250.38/1,715,683.06 = 699,386.59/x
  3. Step 3: Cross multiply
    1,243,250.38x = 1,715,683.06 × 699,386.59
  4. Step 4: Simplify right side
    1,243,250.38x = 1,199,925,724,854.17
  5. Step 5: Solve for x
    x = 1,199,925,724,854.17/1,243,250.38
  6. Step 6: Final answer
    x = 965,152.11

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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.