Home / 401,587.93-554,181.69-220,298.23

Finding the Fourth Proportional to 401,587.93, 554,181.69 and 220,298.23

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Solution

The fourth proportional to 401,587.93, 554,181.69 and 220,298.23 is: 304,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,587.93 : 554,181.69 = 220,298.23 : x
  2. Step 2: Convert to fraction form
    401,587.93/554,181.69 = 220,298.23/x
  3. Step 3: Cross multiply
    401,587.93x = 554,181.69 × 220,298.23
  4. Step 4: Simplify right side
    401,587.93x = 122,085,245,405.41
  5. Step 5: Solve for x
    x = 122,085,245,405.41/401,587.93
  6. Step 6: Final answer
    x = 304,006.26

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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.