Home / 977,579.10-1,467,680.85-624,159.90

Finding the Fourth Proportional to 977,579.10, 1,467,680.85 and 624,159.90

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Solution

The fourth proportional to 977,579.10, 1,467,680.85 and 624,159.90 is: 937,077.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,579.10 : 1,467,680.85 = 624,159.90 : x
  2. Step 2: Convert to fraction form
    977,579.10/1,467,680.85 = 624,159.90/x
  3. Step 3: Cross multiply
    977,579.10x = 1,467,680.85 × 624,159.90
  4. Step 4: Simplify right side
    977,579.10x = 916,067,532,567.92
  5. Step 5: Solve for x
    x = 916,067,532,567.92/977,579.10
  6. Step 6: Final answer
    x = 937,077.66

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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.