Home / 626,581.33-864,533.98-354,649.18

Finding the Fourth Proportional to 626,581.33, 864,533.98 and 354,649.18

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Solution

The fourth proportional to 626,581.33, 864,533.98 and 354,649.18 is: 489,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,581.33 : 864,533.98 = 354,649.18 : x
  2. Step 2: Convert to fraction form
    626,581.33/864,533.98 = 354,649.18/x
  3. Step 3: Cross multiply
    626,581.33x = 864,533.98 × 354,649.18
  4. Step 4: Simplify right side
    626,581.33x = 306,606,267,089.14
  5. Step 5: Solve for x
    x = 306,606,267,089.14/626,581.33
  6. Step 6: Final answer
    x = 489,331.95

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Double scale
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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.