Home / 835,874.83-1,153,490.79-491,747.95

Finding the Fourth Proportional to 835,874.83, 1,153,490.79 and 491,747.95

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Solution

The fourth proportional to 835,874.83, 1,153,490.79 and 491,747.95 is: 678,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,874.83 : 1,153,490.79 = 491,747.95 : x
  2. Step 2: Convert to fraction form
    835,874.83/1,153,490.79 = 491,747.95/x
  3. Step 3: Cross multiply
    835,874.83x = 1,153,490.79 × 491,747.95
  4. Step 4: Simplify right side
    835,874.83x = 567,226,731,326.38
  5. Step 5: Solve for x
    x = 567,226,731,326.38/835,874.83
  6. Step 6: Final answer
    x = 678,602.48

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1.5x scale

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.