Home / 1,008,455.99-1,391,738.10-616,156.90

Finding the Fourth Proportional to 1,008,455.99, 1,391,738.10 and 616,156.90

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Solution

The fourth proportional to 1,008,455.99, 1,391,738.10 and 616,156.90 is: 850,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,455.99 : 1,391,738.10 = 616,156.90 : x
  2. Step 2: Convert to fraction form
    1,008,455.99/1,391,738.10 = 616,156.90/x
  3. Step 3: Cross multiply
    1,008,455.99x = 1,391,738.10 × 616,156.90
  4. Step 4: Simplify right side
    1,008,455.99x = 857,529,033,307.89
  5. Step 5: Solve for x
    x = 857,529,033,307.89/1,008,455.99
  6. Step 6: Final answer
    x = 850,338.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.