Home / 714,642.22-1,066,822.78-612,338.66

Finding the Fourth Proportional to 714,642.22, 1,066,822.78 and 612,338.66

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Solution

The fourth proportional to 714,642.22, 1,066,822.78 and 612,338.66 is: 914,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,642.22 : 1,066,822.78 = 612,338.66 : x
  2. Step 2: Convert to fraction form
    714,642.22/1,066,822.78 = 612,338.66/x
  3. Step 3: Cross multiply
    714,642.22x = 1,066,822.78 × 612,338.66
  4. Step 4: Simplify right side
    714,642.22x = 653,256,824,697.71
  5. Step 5: Solve for x
    x = 653,256,824,697.71/714,642.22
  6. Step 6: Final answer
    x = 914,103.32

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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.