Home / 705,467.25-973,557.63-399,607.14

Finding the Fourth Proportional to 705,467.25, 973,557.63 and 399,607.14

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Solution

The fourth proportional to 705,467.25, 973,557.63 and 399,607.14 is: 551,465.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,467.25 : 973,557.63 = 399,607.14 : x
  2. Step 2: Convert to fraction form
    705,467.25/973,557.63 = 399,607.14/x
  3. Step 3: Cross multiply
    705,467.25x = 973,557.63 × 399,607.14
  4. Step 4: Simplify right side
    705,467.25x = 389,040,575,281.69
  5. Step 5: Solve for x
    x = 389,040,575,281.69/705,467.25
  6. Step 6: Final answer
    x = 551,465.11

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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.