Home / 409,867.94-565,521.18-248,719.16

Finding the Fourth Proportional to 409,867.94, 565,521.18 and 248,719.16

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Solution

The fourth proportional to 409,867.94, 565,521.18 and 248,719.16 is: 343,173.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,867.94 : 565,521.18 = 248,719.16 : x
  2. Step 2: Convert to fraction form
    409,867.94/565,521.18 = 248,719.16/x
  3. Step 3: Cross multiply
    409,867.94x = 565,521.18 × 248,719.16
  4. Step 4: Simplify right side
    409,867.94x = 140,655,952,851.81
  5. Step 5: Solve for x
    x = 140,655,952,851.81/409,867.94
  6. Step 6: Final answer
    x = 343,173.84

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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.