Home / 516,275.08-774,384.78-161,248.36

Finding the Fourth Proportional to 516,275.08, 774,384.78 and 161,248.36

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Solution

The fourth proportional to 516,275.08, 774,384.78 and 161,248.36 is: 241,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,275.08 : 774,384.78 = 161,248.36 : x
  2. Step 2: Convert to fraction form
    516,275.08/774,384.78 = 161,248.36/x
  3. Step 3: Cross multiply
    516,275.08x = 774,384.78 × 161,248.36
  4. Step 4: Simplify right side
    516,275.08x = 124,868,275,783.96
  5. Step 5: Solve for x
    x = 124,868,275,783.96/516,275.08
  6. Step 6: Final answer
    x = 241,863.84

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1.5x scale

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.