Home / 804,569.90-1,207,632.45-405,661.10

Finding the Fourth Proportional to 804,569.90, 1,207,632.45 and 405,661.10

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Solution

The fourth proportional to 804,569.90, 1,207,632.45 and 405,661.10 is: 608,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,569.90 : 1,207,632.45 = 405,661.10 : x
  2. Step 2: Convert to fraction form
    804,569.90/1,207,632.45 = 405,661.10/x
  3. Step 3: Cross multiply
    804,569.90x = 1,207,632.45 × 405,661.10
  4. Step 4: Simplify right side
    804,569.90x = 489,889,508,062.70
  5. Step 5: Solve for x
    x = 489,889,508,062.70/804,569.90
  6. Step 6: Final answer
    x = 608,883.71

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1.5x scale

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.