Home / 943,222.22-1,301,649.75-513,505.42

Finding the Fourth Proportional to 943,222.22, 1,301,649.75 and 513,505.42

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Solution

The fourth proportional to 943,222.22, 1,301,649.75 and 513,505.42 is: 708,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,222.22 : 1,301,649.75 = 513,505.42 : x
  2. Step 2: Convert to fraction form
    943,222.22/1,301,649.75 = 513,505.42/x
  3. Step 3: Cross multiply
    943,222.22x = 1,301,649.75 × 513,505.42
  4. Step 4: Simplify right side
    943,222.22x = 668,404,205,634.30
  5. Step 5: Solve for x
    x = 668,404,205,634.30/943,222.22
  6. Step 6: Final answer
    x = 708,639.17

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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.