Home / 536,974.40-805,406.12-181,979.20

Finding the Fourth Proportional to 536,974.40, 805,406.12 and 181,979.20

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Solution

The fourth proportional to 536,974.40, 805,406.12 and 181,979.20 is: 272,950.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,974.40 : 805,406.12 = 181,979.20 : x
  2. Step 2: Convert to fraction form
    536,974.40/805,406.12 = 181,979.20/x
  3. Step 3: Cross multiply
    536,974.40x = 805,406.12 × 181,979.20
  4. Step 4: Simplify right side
    536,974.40x = 146,567,161,392.70
  5. Step 5: Solve for x
    x = 146,567,161,392.70/536,974.40
  6. Step 6: Final answer
    x = 272,950.00

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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.