Home / 920,064.90-1,269,825.12-552,566.82

Finding the Fourth Proportional to 920,064.90, 1,269,825.12 and 552,566.82

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Solution

The fourth proportional to 920,064.90, 1,269,825.12 and 552,566.82 is: 762,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,064.90 : 1,269,825.12 = 552,566.82 : x
  2. Step 2: Convert to fraction form
    920,064.90/1,269,825.12 = 552,566.82/x
  3. Step 3: Cross multiply
    920,064.90x = 1,269,825.12 × 552,566.82
  4. Step 4: Simplify right side
    920,064.90x = 701,663,228,514.52
  5. Step 5: Solve for x
    x = 701,663,228,514.52/920,064.90
  6. Step 6: Final answer
    x = 762,623.62

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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.