Home / 648,844.91-888,902.60-624,586.22

Finding the Fourth Proportional to 648,844.91, 888,902.60 and 624,586.22

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Solution

The fourth proportional to 648,844.91, 888,902.60 and 624,586.22 is: 855,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,844.91 : 888,902.60 = 624,586.22 : x
  2. Step 2: Convert to fraction form
    648,844.91/888,902.60 = 624,586.22/x
  3. Step 3: Cross multiply
    648,844.91x = 888,902.60 × 624,586.22
  4. Step 4: Simplify right side
    648,844.91x = 555,196,314,882.17
  5. Step 5: Solve for x
    x = 555,196,314,882.17/648,844.91
  6. Step 6: Final answer
    x = 855,668.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.