Home / 899,184.06-1,240,859.32-491,277.12

Finding the Fourth Proportional to 899,184.06, 1,240,859.32 and 491,277.12

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Solution

The fourth proportional to 899,184.06, 1,240,859.32 and 491,277.12 is: 677,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,184.06 : 1,240,859.32 = 491,277.12 : x
  2. Step 2: Convert to fraction form
    899,184.06/1,240,859.32 = 491,277.12/x
  3. Step 3: Cross multiply
    899,184.06x = 1,240,859.32 × 491,277.12
  4. Step 4: Simplify right side
    899,184.06x = 609,605,793,054.76
  5. Step 5: Solve for x
    x = 609,605,793,054.76/899,184.06
  6. Step 6: Final answer
    x = 677,954.40

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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.