Home / 1,241,670.89-1,861,501.84-388,303.49

Finding the Fourth Proportional to 1,241,670.89, 1,861,501.84 and 388,303.49

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Solution

The fourth proportional to 1,241,670.89, 1,861,501.84 and 388,303.49 is: 582,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,670.89 : 1,861,501.84 = 388,303.49 : x
  2. Step 2: Convert to fraction form
    1,241,670.89/1,861,501.84 = 388,303.49/x
  3. Step 3: Cross multiply
    1,241,670.89x = 1,861,501.84 × 388,303.49
  4. Step 4: Simplify right side
    1,241,670.89x = 722,827,664,796.42
  5. Step 5: Solve for x
    x = 722,827,664,796.42/1,241,670.89
  6. Step 6: Final answer
    x = 582,141.10

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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.