Home / 805,502.53-1,111,611.77-442,946.53

Finding the Fourth Proportional to 805,502.53, 1,111,611.77 and 442,946.53

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Solution

The fourth proportional to 805,502.53, 1,111,611.77 and 442,946.53 is: 611,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,502.53 : 1,111,611.77 = 442,946.53 : x
  2. Step 2: Convert to fraction form
    805,502.53/1,111,611.77 = 442,946.53/x
  3. Step 3: Cross multiply
    805,502.53x = 1,111,611.77 × 442,946.53
  4. Step 4: Simplify right side
    805,502.53x = 492,384,576,228.66
  5. Step 5: Solve for x
    x = 492,384,576,228.66/805,502.53
  6. Step 6: Final answer
    x = 611,276.26

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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.