Home / 740,974.08-1,022,545.24-401,442.33

Finding the Fourth Proportional to 740,974.08, 1,022,545.24 and 401,442.33

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Solution

The fourth proportional to 740,974.08, 1,022,545.24 and 401,442.33 is: 553,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,974.08 : 1,022,545.24 = 401,442.33 : x
  2. Step 2: Convert to fraction form
    740,974.08/1,022,545.24 = 401,442.33/x
  3. Step 3: Cross multiply
    740,974.08x = 1,022,545.24 × 401,442.33
  4. Step 4: Simplify right side
    740,974.08x = 410,492,942,672.40
  5. Step 5: Solve for x
    x = 410,492,942,672.40/740,974.08
  6. Step 6: Final answer
    x = 553,990.96

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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.