Home / 615,176.10-921,014.55-615,176.10

Finding the Fourth Proportional to 615,176.10, 921,014.55 and 615,176.10

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Solution

The fourth proportional to 615,176.10, 921,014.55 and 615,176.10 is: 921,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,176.10 : 921,014.55 = 615,176.10 : x
  2. Step 2: Convert to fraction form
    615,176.10/921,014.55 = 615,176.10/x
  3. Step 3: Cross multiply
    615,176.10x = 921,014.55 × 615,176.10
  4. Step 4: Simplify right side
    615,176.10x = 566,586,138,912.26
  5. Step 5: Solve for x
    x = 566,586,138,912.26/615,176.10
  6. Step 6: Final answer
    x = 921,014.55

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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.