Home / 705,029.37-972,837.86-403,165.05

Finding the Fourth Proportional to 705,029.37, 972,837.86 and 403,165.05

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Solution

The fourth proportional to 705,029.37, 972,837.86 and 403,165.05 is: 556,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,029.37 : 972,837.86 = 403,165.05 : x
  2. Step 2: Convert to fraction form
    705,029.37/972,837.86 = 403,165.05/x
  3. Step 3: Cross multiply
    705,029.37x = 972,837.86 × 403,165.05
  4. Step 4: Simplify right side
    705,029.37x = 392,214,222,452.97
  5. Step 5: Solve for x
    x = 392,214,222,452.97/705,029.37
  6. Step 6: Final answer
    x = 556,309.05

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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.