Home / 711,312.73-981,552.23-401,198.23

Finding the Fourth Proportional to 711,312.73, 981,552.23 and 401,198.23

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Solution

The fourth proportional to 711,312.73, 981,552.23 and 401,198.23 is: 553,620.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,312.73 : 981,552.23 = 401,198.23 : x
  2. Step 2: Convert to fraction form
    711,312.73/981,552.23 = 401,198.23/x
  3. Step 3: Cross multiply
    711,312.73x = 981,552.23 × 401,198.23
  4. Step 4: Simplify right side
    711,312.73x = 393,797,017,328.55
  5. Step 5: Solve for x
    x = 393,797,017,328.55/711,312.73
  6. Step 6: Final answer
    x = 553,620.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.