Home / 899,184.01-1,240,859.45-491,277.09

Finding the Fourth Proportional to 899,184.01, 1,240,859.45 and 491,277.09

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Solution

The fourth proportional to 899,184.01, 1,240,859.45 and 491,277.09 is: 677,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,184.01 : 1,240,859.45 = 491,277.09 : x
  2. Step 2: Convert to fraction form
    899,184.01/1,240,859.45 = 491,277.09/x
  3. Step 3: Cross multiply
    899,184.01x = 1,240,859.45 × 491,277.09
  4. Step 4: Simplify right side
    899,184.01x = 609,605,819,695.00
  5. Step 5: Solve for x
    x = 609,605,819,695.00/899,184.01
  6. Step 6: Final answer
    x = 677,954.47

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Double scale
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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.