Home / 865,243.06-1,194,028.40-478,057.26

Finding the Fourth Proportional to 865,243.06, 1,194,028.40 and 478,057.26

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Solution

The fourth proportional to 865,243.06, 1,194,028.40 and 478,057.26 is: 659,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,243.06 : 1,194,028.40 = 478,057.26 : x
  2. Step 2: Convert to fraction form
    865,243.06/1,194,028.40 = 478,057.26/x
  3. Step 3: Cross multiply
    865,243.06x = 1,194,028.40 × 478,057.26
  4. Step 4: Simplify right side
    865,243.06x = 570,813,945,266.18
  5. Step 5: Solve for x
    x = 570,813,945,266.18/865,243.06
  6. Step 6: Final answer
    x = 659,715.14

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Double scale
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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.