Home / 1,091,137.30-1,636,705.95-492,774.10

Finding the Fourth Proportional to 1,091,137.30, 1,636,705.95 and 492,774.10

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Solution

The fourth proportional to 1,091,137.30, 1,636,705.95 and 492,774.10 is: 739,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,137.30 : 1,636,705.95 = 492,774.10 : x
  2. Step 2: Convert to fraction form
    1,091,137.30/1,636,705.95 = 492,774.10/x
  3. Step 3: Cross multiply
    1,091,137.30x = 1,636,705.95 × 492,774.10
  4. Step 4: Simplify right side
    1,091,137.30x = 806,526,301,475.90
  5. Step 5: Solve for x
    x = 806,526,301,475.90/1,091,137.30
  6. Step 6: Final answer
    x = 739,161.15

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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.