Home / 1,359,478.22-2,039,084.94-412,857.14

Finding the Fourth Proportional to 1,359,478.22, 2,039,084.94 and 412,857.14

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Solution

The fourth proportional to 1,359,478.22, 2,039,084.94 and 412,857.14 is: 619,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,478.22 : 2,039,084.94 = 412,857.14 : x
  2. Step 2: Convert to fraction form
    1,359,478.22/2,039,084.94 = 412,857.14/x
  3. Step 3: Cross multiply
    1,359,478.22x = 2,039,084.94 × 412,857.14
  4. Step 4: Simplify right side
    1,359,478.22x = 841,850,776,545.47
  5. Step 5: Solve for x
    x = 841,850,776,545.47/1,359,478.22
  6. Step 6: Final answer
    x = 619,245.50

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Double scale
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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.