Home / 403,875.40-557,345.44-222,587.52

Finding the Fourth Proportional to 403,875.40, 557,345.44 and 222,587.52

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Solution

The fourth proportional to 403,875.40, 557,345.44 and 222,587.52 is: 307,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,875.40 : 557,345.44 = 222,587.52 : x
  2. Step 2: Convert to fraction form
    403,875.40/557,345.44 = 222,587.52/x
  3. Step 3: Cross multiply
    403,875.40x = 557,345.44 × 222,587.52
  4. Step 4: Simplify right side
    403,875.40x = 124,058,139,272.91
  5. Step 5: Solve for x
    x = 124,058,139,272.91/403,875.40
  6. Step 6: Final answer
    x = 307,169.34

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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.