Home / 401,475.04-552,644.96-347,002.40

Finding the Fourth Proportional to 401,475.04, 552,644.96 and 347,002.40

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Solution

The fourth proportional to 401,475.04, 552,644.96 and 347,002.40 is: 477,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,475.04 : 552,644.96 = 347,002.40 : x
  2. Step 2: Convert to fraction form
    401,475.04/552,644.96 = 347,002.40/x
  3. Step 3: Cross multiply
    401,475.04x = 552,644.96 × 347,002.40
  4. Step 4: Simplify right side
    401,475.04x = 191,769,127,467.90
  5. Step 5: Solve for x
    x = 191,769,127,467.90/401,475.04
  6. Step 6: Final answer
    x = 477,661.39

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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.