Home / 1,121,336.68-1,680,823.82-559,190.20

Finding the Fourth Proportional to 1,121,336.68, 1,680,823.82 and 559,190.20

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Solution

The fourth proportional to 1,121,336.68, 1,680,823.82 and 559,190.20 is: 838,196.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,336.68 : 1,680,823.82 = 559,190.20 : x
  2. Step 2: Convert to fraction form
    1,121,336.68/1,680,823.82 = 559,190.20/x
  3. Step 3: Cross multiply
    1,121,336.68x = 1,680,823.82 × 559,190.20
  4. Step 4: Simplify right side
    1,121,336.68x = 939,900,208,070.56
  5. Step 5: Solve for x
    x = 939,900,208,070.56/1,121,336.68
  6. Step 6: Final answer
    x = 838,196.26

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.