Home / 615,566.40-923,232.96-216,113.28

Finding the Fourth Proportional to 615,566.40, 923,232.96 and 216,113.28

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Solution

The fourth proportional to 615,566.40, 923,232.96 and 216,113.28 is: 324,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,566.40 : 923,232.96 = 216,113.28 : x
  2. Step 2: Convert to fraction form
    615,566.40/923,232.96 = 216,113.28/x
  3. Step 3: Cross multiply
    615,566.40x = 923,232.96 × 216,113.28
  4. Step 4: Simplify right side
    615,566.40x = 199,522,903,189.71
  5. Step 5: Solve for x
    x = 199,522,903,189.71/615,566.40
  6. Step 6: Final answer
    x = 324,128.97

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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.