Home / 740,696.10-1,022,161.98-401,164.44

Finding the Fourth Proportional to 740,696.10, 1,022,161.98 and 401,164.44

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Solution

The fourth proportional to 740,696.10, 1,022,161.98 and 401,164.44 is: 553,607.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,696.10 : 1,022,161.98 = 401,164.44 : x
  2. Step 2: Convert to fraction form
    740,696.10/1,022,161.98 = 401,164.44/x
  3. Step 3: Cross multiply
    740,696.10x = 1,022,161.98 × 401,164.44
  4. Step 4: Simplify right side
    740,696.10x = 410,055,038,295.99
  5. Step 5: Solve for x
    x = 410,055,038,295.99/740,696.10
  6. Step 6: Final answer
    x = 553,607.66

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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.