Home / 819,197.37-1,130,531.22-456,623.82

Finding the Fourth Proportional to 819,197.37, 1,130,531.22 and 456,623.82

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Solution

The fourth proportional to 819,197.37, 1,130,531.22 and 456,623.82 is: 630,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,197.37 : 1,130,531.22 = 456,623.82 : x
  2. Step 2: Convert to fraction form
    819,197.37/1,130,531.22 = 456,623.82/x
  3. Step 3: Cross multiply
    819,197.37x = 1,130,531.22 × 456,623.82
  4. Step 4: Simplify right side
    819,197.37x = 516,227,484,305.66
  5. Step 5: Solve for x
    x = 516,227,484,305.66/819,197.37
  6. Step 6: Final answer
    x = 630,162.53

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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.