Home / 980,484.80-1,353,216.32-598,731.80

Finding the Fourth Proportional to 980,484.80, 1,353,216.32 and 598,731.80

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Solution

The fourth proportional to 980,484.80, 1,353,216.32 and 598,731.80 is: 826,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,484.80 : 1,353,216.32 = 598,731.80 : x
  2. Step 2: Convert to fraction form
    980,484.80/1,353,216.32 = 598,731.80/x
  3. Step 3: Cross multiply
    980,484.80x = 1,353,216.32 × 598,731.80
  4. Step 4: Simplify right side
    980,484.80x = 810,213,633,303.24
  5. Step 5: Solve for x
    x = 810,213,633,303.24/980,484.80
  6. Step 6: Final answer
    x = 826,339.82

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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.