Home / 1,403,514.93-1,936,862.19-774,878.86

Finding the Fourth Proportional to 1,403,514.93, 1,936,862.19 and 774,878.86

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Solution

The fourth proportional to 1,403,514.93, 1,936,862.19 and 774,878.86 is: 1,069,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,514.93 : 1,936,862.19 = 774,878.86 : x
  2. Step 2: Convert to fraction form
    1,403,514.93/1,936,862.19 = 774,878.86/x
  3. Step 3: Cross multiply
    1,403,514.93x = 1,936,862.19 × 774,878.86
  4. Step 4: Simplify right side
    1,403,514.93x = 1,500,833,571,453.46
  5. Step 5: Solve for x
    x = 1,500,833,571,453.46/1,403,514.93
  6. Step 6: Final answer
    x = 1,069,339.23

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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.