Home / 432,905.80-649,358.70-117,362.20

Finding the Fourth Proportional to 432,905.80, 649,358.70 and 117,362.20

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Solution

The fourth proportional to 432,905.80, 649,358.70 and 117,362.20 is: 176,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,905.80 : 649,358.70 = 117,362.20 : x
  2. Step 2: Convert to fraction form
    432,905.80/649,358.70 = 117,362.20/x
  3. Step 3: Cross multiply
    432,905.80x = 649,358.70 × 117,362.20
  4. Step 4: Simplify right side
    432,905.80x = 76,210,165,621.14
  5. Step 5: Solve for x
    x = 76,210,165,621.14/432,905.80
  6. Step 6: Final answer
    x = 176,043.30

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1.5x scale

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.