Home / 1,079,324.56-1,489,642.92-626,878

Finding the Fourth Proportional to 1,079,324.56, 1,489,642.92 and 626,878

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Solution

The fourth proportional to 1,079,324.56, 1,489,642.92 and 626,878 is: 865,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,324.56 : 1,489,642.92 = 626,878 : x
  2. Step 2: Convert to fraction form
    1,079,324.56/1,489,642.92 = 626,878/x
  3. Step 3: Cross multiply
    1,079,324.56x = 1,489,642.92 × 626,878
  4. Step 4: Simplify right side
    1,079,324.56x = 933,824,374,403.76
  5. Step 5: Solve for x
    x = 933,824,374,403.76/1,079,324.56
  6. Step 6: Final answer
    x = 865,193.30

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Double scale
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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.