Home / 403,291.02-556,554.20-219,541.87

Finding the Fourth Proportional to 403,291.02, 556,554.20 and 219,541.87

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Solution

The fourth proportional to 403,291.02, 556,554.20 and 219,541.87 is: 302,974.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,291.02 : 556,554.20 = 219,541.87 : x
  2. Step 2: Convert to fraction form
    403,291.02/556,554.20 = 219,541.87/x
  3. Step 3: Cross multiply
    403,291.02x = 556,554.20 × 219,541.87
  4. Step 4: Simplify right side
    403,291.02x = 122,186,949,824.35
  5. Step 5: Solve for x
    x = 122,186,949,824.35/403,291.02
  6. Step 6: Final answer
    x = 302,974.64

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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.