Home / 992,276.78-1,369,443.65-584,506.98

Finding the Fourth Proportional to 992,276.78, 1,369,443.65 and 584,506.98

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Solution

The fourth proportional to 992,276.78, 1,369,443.65 and 584,506.98 is: 806,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,276.78 : 1,369,443.65 = 584,506.98 : x
  2. Step 2: Convert to fraction form
    992,276.78/1,369,443.65 = 584,506.98/x
  3. Step 3: Cross multiply
    992,276.78x = 1,369,443.65 × 584,506.98
  4. Step 4: Simplify right side
    992,276.78x = 800,449,369,219.14
  5. Step 5: Solve for x
    x = 800,449,369,219.14/992,276.78
  6. Step 6: Final answer
    x = 806,679.54

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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.