Home / 992,022.90-1,488,034.35-637,728.90

Finding the Fourth Proportional to 992,022.90, 1,488,034.35 and 637,728.90

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Solution

The fourth proportional to 992,022.90, 1,488,034.35 and 637,728.90 is: 956,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,022.90 : 1,488,034.35 = 637,728.90 : x
  2. Step 2: Convert to fraction form
    992,022.90/1,488,034.35 = 637,728.90/x
  3. Step 3: Cross multiply
    992,022.90x = 1,488,034.35 × 637,728.90
  4. Step 4: Simplify right side
    992,022.90x = 948,962,509,187.72
  5. Step 5: Solve for x
    x = 948,962,509,187.72/992,022.90
  6. Step 6: Final answer
    x = 956,593.35

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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.