Home / 1,017,416.12-1,404,039.72-635,664.36

Finding the Fourth Proportional to 1,017,416.12, 1,404,039.72 and 635,664.36

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Solution

The fourth proportional to 1,017,416.12, 1,404,039.72 and 635,664.36 is: 877,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,416.12 : 1,404,039.72 = 635,664.36 : x
  2. Step 2: Convert to fraction form
    1,017,416.12/1,404,039.72 = 635,664.36/x
  3. Step 3: Cross multiply
    1,017,416.12x = 1,404,039.72 × 635,664.36
  4. Step 4: Simplify right side
    1,017,416.12x = 892,498,010,028.38
  5. Step 5: Solve for x
    x = 892,498,010,028.38/1,017,416.12
  6. Step 6: Final answer
    x = 877,220.24

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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.