Home / 805,634.02-1,111,752.74-443,057.89

Finding the Fourth Proportional to 805,634.02, 1,111,752.74 and 443,057.89

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Solution

The fourth proportional to 805,634.02, 1,111,752.74 and 443,057.89 is: 611,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,634.02 : 1,111,752.74 = 443,057.89 : x
  2. Step 2: Convert to fraction form
    805,634.02/1,111,752.74 = 443,057.89/x
  3. Step 3: Cross multiply
    805,634.02x = 1,111,752.74 × 443,057.89
  4. Step 4: Simplify right side
    805,634.02x = 492,570,826,267.13
  5. Step 5: Solve for x
    x = 492,570,826,267.13/805,634.02
  6. Step 6: Final answer
    x = 611,407.68

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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.