Home / 977,625.80-1,466,438.70-603,859.40

Finding the Fourth Proportional to 977,625.80, 1,466,438.70 and 603,859.40

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Solution

The fourth proportional to 977,625.80, 1,466,438.70 and 603,859.40 is: 905,789.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,625.80 : 1,466,438.70 = 603,859.40 : x
  2. Step 2: Convert to fraction form
    977,625.80/1,466,438.70 = 603,859.40/x
  3. Step 3: Cross multiply
    977,625.80x = 1,466,438.70 × 603,859.40
  4. Step 4: Simplify right side
    977,625.80x = 885,522,793,518.78
  5. Step 5: Solve for x
    x = 885,522,793,518.78/977,625.80
  6. Step 6: Final answer
    x = 905,789.10

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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.