Home / 1,299,683.30-1,949,233.35-853,535.30

Finding the Fourth Proportional to 1,299,683.30, 1,949,233.35 and 853,535.30

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Solution

The fourth proportional to 1,299,683.30, 1,949,233.35 and 853,535.30 is: 1,280,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,683.30 : 1,949,233.35 = 853,535.30 : x
  2. Step 2: Convert to fraction form
    1,299,683.30/1,949,233.35 = 853,535.30/x
  3. Step 3: Cross multiply
    1,299,683.30x = 1,949,233.35 × 853,535.30
  4. Step 4: Simplify right side
    1,299,683.30x = 1,663,739,472,162.26
  5. Step 5: Solve for x
    x = 1,663,739,472,162.26/1,299,683.30
  6. Step 6: Final answer
    x = 1,280,111.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.