Home / 938,018.22-1,400,235.24-824,517.78

Finding the Fourth Proportional to 938,018.22, 1,400,235.24 and 824,517.78

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Solution

The fourth proportional to 938,018.22, 1,400,235.24 and 824,517.78 is: 1,230,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,018.22 : 1,400,235.24 = 824,517.78 : x
  2. Step 2: Convert to fraction form
    938,018.22/1,400,235.24 = 824,517.78/x
  3. Step 3: Cross multiply
    938,018.22x = 1,400,235.24 × 824,517.78
  4. Step 4: Simplify right side
    938,018.22x = 1,154,518,851,562.57
  5. Step 5: Solve for x
    x = 1,154,518,851,562.57/938,018.22
  6. Step 6: Final answer
    x = 1,230,806.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.