Home / 961,422.93-1,326,616.26-553,445.94

Finding the Fourth Proportional to 961,422.93, 1,326,616.26 and 553,445.94

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Solution

The fourth proportional to 961,422.93, 1,326,616.26 and 553,445.94 is: 763,670.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,422.93 : 1,326,616.26 = 553,445.94 : x
  2. Step 2: Convert to fraction form
    961,422.93/1,326,616.26 = 553,445.94/x
  3. Step 3: Cross multiply
    961,422.93x = 1,326,616.26 × 553,445.94
  4. Step 4: Simplify right side
    961,422.93x = 734,210,385,934.37
  5. Step 5: Solve for x
    x = 734,210,385,934.37/961,422.93
  6. Step 6: Final answer
    x = 763,670.56

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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.