Home / 913,409.80-1,368,948.30-701,999.80

Finding the Fourth Proportional to 913,409.80, 1,368,948.30 and 701,999.80

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Solution

The fourth proportional to 913,409.80, 1,368,948.30 and 701,999.80 is: 1,052,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,409.80 : 1,368,948.30 = 701,999.80 : x
  2. Step 2: Convert to fraction form
    913,409.80/1,368,948.30 = 701,999.80/x
  3. Step 3: Cross multiply
    913,409.80x = 1,368,948.30 × 701,999.80
  4. Step 4: Simplify right side
    913,409.80x = 961,001,432,810.34
  5. Step 5: Solve for x
    x = 961,001,432,810.34/913,409.80
  6. Step 6: Final answer
    x = 1,052,103.26

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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.