Home / 805,800.07-1,111,980.57-443,223.82

Finding the Fourth Proportional to 805,800.07, 1,111,980.57 and 443,223.82

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Solution

The fourth proportional to 805,800.07, 1,111,980.57 and 443,223.82 is: 611,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,800.07 : 1,111,980.57 = 443,223.82 : x
  2. Step 2: Convert to fraction form
    805,800.07/1,111,980.57 = 443,223.82/x
  3. Step 3: Cross multiply
    805,800.07x = 1,111,980.57 × 443,223.82
  4. Step 4: Simplify right side
    805,800.07x = 492,856,276,001.18
  5. Step 5: Solve for x
    x = 492,856,276,001.18/805,800.07
  6. Step 6: Final answer
    x = 611,635.93

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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.