Home / 575,259.42-862,915.05-220,181.34

Finding the Fourth Proportional to 575,259.42, 862,915.05 and 220,181.34

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Solution

The fourth proportional to 575,259.42, 862,915.05 and 220,181.34 is: 330,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,259.42 : 862,915.05 = 220,181.34 : x
  2. Step 2: Convert to fraction form
    575,259.42/862,915.05 = 220,181.34/x
  3. Step 3: Cross multiply
    575,259.42x = 862,915.05 × 220,181.34
  4. Step 4: Simplify right side
    575,259.42x = 189,997,792,015.17
  5. Step 5: Solve for x
    x = 189,997,792,015.17/575,259.42
  6. Step 6: Final answer
    x = 330,281.93

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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.