Home / 532,176.04-734,388.78-290,461.60

Finding the Fourth Proportional to 532,176.04, 734,388.78 and 290,461.60

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Solution

The fourth proportional to 532,176.04, 734,388.78 and 290,461.60 is: 400,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,176.04 : 734,388.78 = 290,461.60 : x
  2. Step 2: Convert to fraction form
    532,176.04/734,388.78 = 290,461.60/x
  3. Step 3: Cross multiply
    532,176.04x = 734,388.78 × 290,461.60
  4. Step 4: Simplify right side
    532,176.04x = 213,311,740,060.85
  5. Step 5: Solve for x
    x = 213,311,740,060.85/532,176.04
  6. Step 6: Final answer
    x = 400,829.28

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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.