Home / 759,329.92-1,047,781.44-419,804.80

Finding the Fourth Proportional to 759,329.92, 1,047,781.44 and 419,804.80

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Solution

The fourth proportional to 759,329.92, 1,047,781.44 and 419,804.80 is: 579,278.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,329.92 : 1,047,781.44 = 419,804.80 : x
  2. Step 2: Convert to fraction form
    759,329.92/1,047,781.44 = 419,804.80/x
  3. Step 3: Cross multiply
    759,329.92x = 1,047,781.44 × 419,804.80
  4. Step 4: Simplify right side
    759,329.92x = 439,863,677,862.91
  5. Step 5: Solve for x
    x = 439,863,677,862.91/759,329.92
  6. Step 6: Final answer
    x = 579,278.74

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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.