Home / 517,724.24-714,679.90-348,056.78

Finding the Fourth Proportional to 517,724.24, 714,679.90 and 348,056.78

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Solution

The fourth proportional to 517,724.24, 714,679.90 and 348,056.78 is: 480,466.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,724.24 : 714,679.90 = 348,056.78 : x
  2. Step 2: Convert to fraction form
    517,724.24/714,679.90 = 348,056.78/x
  3. Step 3: Cross multiply
    517,724.24x = 714,679.90 × 348,056.78
  4. Step 4: Simplify right side
    517,724.24x = 248,749,184,724.72
  5. Step 5: Solve for x
    x = 248,749,184,724.72/517,724.24
  6. Step 6: Final answer
    x = 480,466.56

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1.5x scale

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.