Home / 1,605,781.60-2,406,631.20-658,081.60

Finding the Fourth Proportional to 1,605,781.60, 2,406,631.20 and 658,081.60

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Solution

The fourth proportional to 1,605,781.60, 2,406,631.20 and 658,081.60 is: 986,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,781.60 : 2,406,631.20 = 658,081.60 : x
  2. Step 2: Convert to fraction form
    1,605,781.60/2,406,631.20 = 658,081.60/x
  3. Step 3: Cross multiply
    1,605,781.60x = 2,406,631.20 × 658,081.60
  4. Step 4: Simplify right side
    1,605,781.60x = 1,583,759,710,705.92
  5. Step 5: Solve for x
    x = 1,583,759,710,705.92/1,605,781.60
  6. Step 6: Final answer
    x = 986,285.88

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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.