Home / 1,051,545.64-1,451,235.41-621,964.16

Finding the Fourth Proportional to 1,051,545.64, 1,451,235.41 and 621,964.16

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Solution

The fourth proportional to 1,051,545.64, 1,451,235.41 and 621,964.16 is: 858,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,545.64 : 1,451,235.41 = 621,964.16 : x
  2. Step 2: Convert to fraction form
    1,051,545.64/1,451,235.41 = 621,964.16/x
  3. Step 3: Cross multiply
    1,051,545.64x = 1,451,235.41 × 621,964.16
  4. Step 4: Simplify right side
    1,051,545.64x = 902,616,412,742.91
  5. Step 5: Solve for x
    x = 902,616,412,742.91/1,051,545.64
  6. Step 6: Final answer
    x = 858,371.12

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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.