Home / 403,291.61-556,549.49-219,535.46

Finding the Fourth Proportional to 403,291.61, 556,549.49 and 219,535.46

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Solution

The fourth proportional to 403,291.61, 556,549.49 and 219,535.46 is: 302,962.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,291.61 : 556,549.49 = 219,535.46 : x
  2. Step 2: Convert to fraction form
    403,291.61/556,549.49 = 219,535.46/x
  3. Step 3: Cross multiply
    403,291.61x = 556,549.49 × 219,535.46
  4. Step 4: Simplify right side
    403,291.61x = 122,182,348,153.07
  5. Step 5: Solve for x
    x = 122,182,348,153.07/403,291.61
  6. Step 6: Final answer
    x = 302,962.79

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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.