Home / 1,223,969.04-1,688,995.52-707,683.92

Finding the Fourth Proportional to 1,223,969.04, 1,688,995.52 and 707,683.92

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Solution

The fourth proportional to 1,223,969.04, 1,688,995.52 and 707,683.92 is: 976,556.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,969.04 : 1,688,995.52 = 707,683.92 : x
  2. Step 2: Convert to fraction form
    1,223,969.04/1,688,995.52 = 707,683.92/x
  3. Step 3: Cross multiply
    1,223,969.04x = 1,688,995.52 × 707,683.92
  4. Step 4: Simplify right side
    1,223,969.04x = 1,195,274,970,456.04
  5. Step 5: Solve for x
    x = 1,195,274,970,456.04/1,223,969.04
  6. Step 6: Final answer
    x = 976,556.54

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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.