Home / 656,621.48-984,962.43-201,180.11

Finding the Fourth Proportional to 656,621.48, 984,962.43 and 201,180.11

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Solution

The fourth proportional to 656,621.48, 984,962.43 and 201,180.11 is: 301,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,621.48 : 984,962.43 = 201,180.11 : x
  2. Step 2: Convert to fraction form
    656,621.48/984,962.43 = 201,180.11/x
  3. Step 3: Cross multiply
    656,621.48x = 984,962.43 × 201,180.11
  4. Step 4: Simplify right side
    656,621.48x = 198,154,845,088.46
  5. Step 5: Solve for x
    x = 198,154,845,088.46/656,621.48
  6. Step 6: Final answer
    x = 301,779.41

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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.