Home / 1,140,934.72-1,711,379.04-392,964.16

Finding the Fourth Proportional to 1,140,934.72, 1,711,379.04 and 392,964.16

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Solution

The fourth proportional to 1,140,934.72, 1,711,379.04 and 392,964.16 is: 589,438.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,934.72 : 1,711,379.04 = 392,964.16 : x
  2. Step 2: Convert to fraction form
    1,140,934.72/1,711,379.04 = 392,964.16/x
  3. Step 3: Cross multiply
    1,140,934.72x = 1,711,379.04 × 392,964.16
  4. Step 4: Simplify right side
    1,140,934.72x = 672,510,626,895.21
  5. Step 5: Solve for x
    x = 672,510,626,895.21/1,140,934.72
  6. Step 6: Final answer
    x = 589,438.30

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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.