Home / 934,901.19-1,290,163.61-505,181.30

Finding the Fourth Proportional to 934,901.19, 1,290,163.61 and 505,181.30

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Solution

The fourth proportional to 934,901.19, 1,290,163.61 and 505,181.30 is: 697,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,901.19 : 1,290,163.61 = 505,181.30 : x
  2. Step 2: Convert to fraction form
    934,901.19/1,290,163.61 = 505,181.30/x
  3. Step 3: Cross multiply
    934,901.19x = 1,290,163.61 × 505,181.30
  4. Step 4: Simplify right side
    934,901.19x = 651,766,529,712.49
  5. Step 5: Solve for x
    x = 651,766,529,712.49/934,901.19
  6. Step 6: Final answer
    x = 697,150.18

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Double scale
Find fourth proportional to 934,902.19, 1,290,164.99 and 505,182.30
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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.