Home / 579,156.15-867,977.63-322,978.50

Finding the Fourth Proportional to 579,156.15, 867,977.63 and 322,978.50

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Solution

The fourth proportional to 579,156.15, 867,977.63 and 322,978.50 is: 484,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,156.15 : 867,977.63 = 322,978.50 : x
  2. Step 2: Convert to fraction form
    579,156.15/867,977.63 = 322,978.50/x
  3. Step 3: Cross multiply
    579,156.15x = 867,977.63 × 322,978.50
  4. Step 4: Simplify right side
    579,156.15x = 280,338,112,970.96
  5. Step 5: Solve for x
    x = 280,338,112,970.96/579,156.15
  6. Step 6: Final answer
    x = 484,045.82

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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.