Home / 961,658.16-1,326,641.40-622,235.76

Finding the Fourth Proportional to 961,658.16, 1,326,641.40 and 622,235.76

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Solution

The fourth proportional to 961,658.16, 1,326,641.40 and 622,235.76 is: 858,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,658.16 : 1,326,641.40 = 622,235.76 : x
  2. Step 2: Convert to fraction form
    961,658.16/1,326,641.40 = 622,235.76/x
  3. Step 3: Cross multiply
    961,658.16x = 1,326,641.40 × 622,235.76
  4. Step 4: Simplify right side
    961,658.16x = 825,483,719,776.46
  5. Step 5: Solve for x
    x = 825,483,719,776.46/961,658.16
  6. Step 6: Final answer
    x = 858,396.21

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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.