Home / 403,887.33-557,341.77-222,598.71

Finding the Fourth Proportional to 403,887.33, 557,341.77 and 222,598.71

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Solution

The fourth proportional to 403,887.33, 557,341.77 and 222,598.71 is: 307,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,887.33 : 557,341.77 = 222,598.71 : x
  2. Step 2: Convert to fraction form
    403,887.33/557,341.77 = 222,598.71/x
  3. Step 3: Cross multiply
    403,887.33x = 557,341.77 × 222,598.71
  4. Step 4: Simplify right side
    403,887.33x = 124,063,559,031.12
  5. Step 5: Solve for x
    x = 124,063,559,031.12/403,887.33
  6. Step 6: Final answer
    x = 307,173.68

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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.