Home / 709,447.52-979,059.18-403,568.22

Finding the Fourth Proportional to 709,447.52, 979,059.18 and 403,568.22

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Solution

The fourth proportional to 709,447.52, 979,059.18 and 403,568.22 is: 556,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,447.52 : 979,059.18 = 403,568.22 : x
  2. Step 2: Convert to fraction form
    709,447.52/979,059.18 = 403,568.22/x
  3. Step 3: Cross multiply
    709,447.52x = 979,059.18 × 403,568.22
  4. Step 4: Simplify right side
    709,447.52x = 395,117,170,547.26
  5. Step 5: Solve for x
    x = 395,117,170,547.26/709,447.52
  6. Step 6: Final answer
    x = 556,936.43

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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.