Home / 1,328,240.06-1,991,705.01-559,597.42

Finding the Fourth Proportional to 1,328,240.06, 1,991,705.01 and 559,597.42

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Solution

The fourth proportional to 1,328,240.06, 1,991,705.01 and 559,597.42 is: 839,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,240.06 : 1,991,705.01 = 559,597.42 : x
  2. Step 2: Convert to fraction form
    1,328,240.06/1,991,705.01 = 559,597.42/x
  3. Step 3: Cross multiply
    1,328,240.06x = 1,991,705.01 × 559,597.42
  4. Step 4: Simplify right side
    1,328,240.06x = 1,114,552,981,416.81
  5. Step 5: Solve for x
    x = 1,114,552,981,416.81/1,328,240.06
  6. Step 6: Final answer
    x = 839,120.14

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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.