Home / 805,657.41-1,111,835.17-443,108.70

Finding the Fourth Proportional to 805,657.41, 1,111,835.17 and 443,108.70

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Solution

The fourth proportional to 805,657.41, 1,111,835.17 and 443,108.70 is: 611,505.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,657.41 : 1,111,835.17 = 443,108.70 : x
  2. Step 2: Convert to fraction form
    805,657.41/1,111,835.17 = 443,108.70/x
  3. Step 3: Cross multiply
    805,657.41x = 1,111,835.17 × 443,108.70
  4. Step 4: Simplify right side
    805,657.41x = 492,663,830,685.00
  5. Step 5: Solve for x
    x = 492,663,830,685.00/805,657.41
  6. Step 6: Final answer
    x = 611,505.37

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Double scale
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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.