Home / 711,345.24-1,067,018.94-290,621.52

Finding the Fourth Proportional to 711,345.24, 1,067,018.94 and 290,621.52

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Solution

The fourth proportional to 711,345.24, 1,067,018.94 and 290,621.52 is: 435,932.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,345.24 : 1,067,018.94 = 290,621.52 : x
  2. Step 2: Convert to fraction form
    711,345.24/1,067,018.94 = 290,621.52/x
  3. Step 3: Cross multiply
    711,345.24x = 1,067,018.94 × 290,621.52
  4. Step 4: Simplify right side
    711,345.24x = 310,098,666,211.59
  5. Step 5: Solve for x
    x = 310,098,666,211.59/711,345.24
  6. Step 6: Final answer
    x = 435,932.72

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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.