Home / 690,016.08-1,035,024.04-191,380.08

Finding the Fourth Proportional to 690,016.08, 1,035,024.04 and 191,380.08

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Solution

The fourth proportional to 690,016.08, 1,035,024.04 and 191,380.08 is: 287,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,016.08 : 1,035,024.04 = 191,380.08 : x
  2. Step 2: Convert to fraction form
    690,016.08/1,035,024.04 = 191,380.08/x
  3. Step 3: Cross multiply
    690,016.08x = 1,035,024.04 × 191,380.08
  4. Step 4: Simplify right side
    690,016.08x = 198,082,983,577.12
  5. Step 5: Solve for x
    x = 198,082,983,577.12/690,016.08
  6. Step 6: Final answer
    x = 287,070.10

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Similar ratio
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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.