Home / 554,109.90-831,212.01-174,929.20

Finding the Fourth Proportional to 554,109.90, 831,212.01 and 174,929.20

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Solution

The fourth proportional to 554,109.90, 831,212.01 and 174,929.20 is: 262,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,109.90 : 831,212.01 = 174,929.20 : x
  2. Step 2: Convert to fraction form
    554,109.90/831,212.01 = 174,929.20/x
  3. Step 3: Cross multiply
    554,109.90x = 831,212.01 × 174,929.20
  4. Step 4: Simplify right side
    554,109.90x = 145,403,251,939.69
  5. Step 5: Solve for x
    x = 145,403,251,939.69/554,109.90
  6. Step 6: Final answer
    x = 262,408.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.