Home / 893,990.76-1,233,707.26-491,582.76

Finding the Fourth Proportional to 893,990.76, 1,233,707.26 and 491,582.76

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Solution

The fourth proportional to 893,990.76, 1,233,707.26 and 491,582.76 is: 678,384.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,990.76 : 1,233,707.26 = 491,582.76 : x
  2. Step 2: Convert to fraction form
    893,990.76/1,233,707.26 = 491,582.76/x
  3. Step 3: Cross multiply
    893,990.76x = 1,233,707.26 × 491,582.76
  4. Step 4: Simplify right side
    893,990.76x = 606,469,219,902.84
  5. Step 5: Solve for x
    x = 606,469,219,902.84/893,990.76
  6. Step 6: Final answer
    x = 678,384.21

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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.