Home / 722,530.14-997,091.63-400,261.11

Finding the Fourth Proportional to 722,530.14, 997,091.63 and 400,261.11

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Solution

The fourth proportional to 722,530.14, 997,091.63 and 400,261.11 is: 552,360.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,530.14 : 997,091.63 = 400,261.11 : x
  2. Step 2: Convert to fraction form
    722,530.14/997,091.63 = 400,261.11/x
  3. Step 3: Cross multiply
    722,530.14x = 997,091.63 × 400,261.11
  4. Step 4: Simplify right side
    722,530.14x = 399,097,000,594.20
  5. Step 5: Solve for x
    x = 399,097,000,594.20/722,530.14
  6. Step 6: Final answer
    x = 552,360.35

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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.