Home / 717,004.92-989,056.80-448,266.36

Finding the Fourth Proportional to 717,004.92, 989,056.80 and 448,266.36

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Solution

The fourth proportional to 717,004.92, 989,056.80 and 448,266.36 is: 618,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,004.92 : 989,056.80 = 448,266.36 : x
  2. Step 2: Convert to fraction form
    717,004.92/989,056.80 = 448,266.36/x
  3. Step 3: Cross multiply
    717,004.92x = 989,056.80 × 448,266.36
  4. Step 4: Simplify right side
    717,004.92x = 443,360,891,569.25
  5. Step 5: Solve for x
    x = 443,360,891,569.25/717,004.92
  6. Step 6: Final answer
    x = 618,351.25

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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.