Home / 615,226.66-922,983.50-210,422.00

Finding the Fourth Proportional to 615,226.66, 922,983.50 and 210,422.00

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Solution

The fourth proportional to 615,226.66, 922,983.50 and 210,422.00 is: 315,682.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,226.66 : 922,983.50 = 210,422.00 : x
  2. Step 2: Convert to fraction form
    615,226.66/922,983.50 = 210,422.00/x
  3. Step 3: Cross multiply
    615,226.66x = 922,983.50 × 210,422.00
  4. Step 4: Simplify right side
    615,226.66x = 194,216,036,870.51
  5. Step 5: Solve for x
    x = 194,216,036,870.51/615,226.66
  6. Step 6: Final answer
    x = 315,682.09

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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.