Home / 656,188.67-983,174.92-402,941.36

Finding the Fourth Proportional to 656,188.67, 983,174.92 and 402,941.36

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Solution

The fourth proportional to 656,188.67, 983,174.92 and 402,941.36 is: 603,731.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,188.67 : 983,174.92 = 402,941.36 : x
  2. Step 2: Convert to fraction form
    656,188.67/983,174.92 = 402,941.36/x
  3. Step 3: Cross multiply
    656,188.67x = 983,174.92 × 402,941.36
  4. Step 4: Simplify right side
    656,188.67x = 396,161,833,459.46
  5. Step 5: Solve for x
    x = 396,161,833,459.46/656,188.67
  6. Step 6: Final answer
    x = 603,731.60

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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.