Home / 619,189.59-854,724.98-415,166.19

Finding the Fourth Proportional to 619,189.59, 854,724.98 and 415,166.19

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Solution

The fourth proportional to 619,189.59, 854,724.98 and 415,166.19 is: 573,092.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,189.59 : 854,724.98 = 415,166.19 : x
  2. Step 2: Convert to fraction form
    619,189.59/854,724.98 = 415,166.19/x
  3. Step 3: Cross multiply
    619,189.59x = 854,724.98 × 415,166.19
  4. Step 4: Simplify right side
    619,189.59x = 354,852,913,444.43
  5. Step 5: Solve for x
    x = 354,852,913,444.43/619,189.59
  6. Step 6: Final answer
    x = 573,092.51

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Double scale
Find fourth proportional to 619,190.59, 854,726.36 and 415,167.19
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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.