Home / 805,760.16-1,111,970.05-443,193.53

Finding the Fourth Proportional to 805,760.16, 1,111,970.05 and 443,193.53

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Solution

The fourth proportional to 805,760.16, 1,111,970.05 and 443,193.53 is: 611,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,760.16 : 1,111,970.05 = 443,193.53 : x
  2. Step 2: Convert to fraction form
    805,760.16/1,111,970.05 = 443,193.53/x
  3. Step 3: Cross multiply
    805,760.16x = 1,111,970.05 × 443,193.53
  4. Step 4: Simplify right side
    805,760.16x = 492,817,926,292.42
  5. Step 5: Solve for x
    x = 492,817,926,292.42/805,760.16
  6. Step 6: Final answer
    x = 611,618.63

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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.