Home / 514,824.64-772,456.80-265,681.60

Finding the Fourth Proportional to 514,824.64, 772,456.80 and 265,681.60

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Solution

The fourth proportional to 514,824.64, 772,456.80 and 265,681.60 is: 398,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,824.64 : 772,456.80 = 265,681.60 : x
  2. Step 2: Convert to fraction form
    514,824.64/772,456.80 = 265,681.60/x
  3. Step 3: Cross multiply
    514,824.64x = 772,456.80 × 265,681.60
  4. Step 4: Simplify right side
    514,824.64x = 205,227,558,554.88
  5. Step 5: Solve for x
    x = 205,227,558,554.88/514,824.64
  6. Step 6: Final answer
    x = 398,635.85

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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.