Home / 1,090,335.85-1,635,503.38-291,596.63

Finding the Fourth Proportional to 1,090,335.85, 1,635,503.38 and 291,596.63

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Solution

The fourth proportional to 1,090,335.85, 1,635,503.38 and 291,596.63 is: 437,394.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,335.85 : 1,635,503.38 = 291,596.63 : x
  2. Step 2: Convert to fraction form
    1,090,335.85/1,635,503.38 = 291,596.63/x
  3. Step 3: Cross multiply
    1,090,335.85x = 1,635,503.38 × 291,596.63
  4. Step 4: Simplify right side
    1,090,335.85x = 476,907,273,961.61
  5. Step 5: Solve for x
    x = 476,907,273,961.61/1,090,335.85
  6. Step 6: Final answer
    x = 437,394.84

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Double scale
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Similar ratio
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1.5x scale

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.