Home / 830,571.78-1,146,199.77-491,037.06

Finding the Fourth Proportional to 830,571.78, 1,146,199.77 and 491,037.06

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Solution

The fourth proportional to 830,571.78, 1,146,199.77 and 491,037.06 is: 677,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,571.78 : 1,146,199.77 = 491,037.06 : x
  2. Step 2: Convert to fraction form
    830,571.78/1,146,199.77 = 491,037.06/x
  3. Step 3: Cross multiply
    830,571.78x = 1,146,199.77 × 491,037.06
  4. Step 4: Simplify right side
    830,571.78x = 562,826,565,233.48
  5. Step 5: Solve for x
    x = 562,826,565,233.48/830,571.78
  6. Step 6: Final answer
    x = 677,637.48

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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.