Home / 428,132.75-590,823.24-237,158.51

Finding the Fourth Proportional to 428,132.75, 590,823.24 and 237,158.51

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Solution

The fourth proportional to 428,132.75, 590,823.24 and 237,158.51 is: 327,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,132.75 : 590,823.24 = 237,158.51 : x
  2. Step 2: Convert to fraction form
    428,132.75/590,823.24 = 237,158.51/x
  3. Step 3: Cross multiply
    428,132.75x = 590,823.24 × 237,158.51
  4. Step 4: Simplify right side
    428,132.75x = 140,118,759,271.77
  5. Step 5: Solve for x
    x = 140,118,759,271.77/428,132.75
  6. Step 6: Final answer
    x = 327,278.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.