Home / 626,905.56-865,267.44-412,065.60

Finding the Fourth Proportional to 626,905.56, 865,267.44 and 412,065.60

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Solution

The fourth proportional to 626,905.56, 865,267.44 and 412,065.60 is: 568,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,905.56 : 865,267.44 = 412,065.60 : x
  2. Step 2: Convert to fraction form
    626,905.56/865,267.44 = 412,065.60/x
  3. Step 3: Cross multiply
    626,905.56x = 865,267.44 × 412,065.60
  4. Step 4: Simplify right side
    626,905.56x = 356,546,946,824.06
  5. Step 5: Solve for x
    x = 356,546,946,824.06/626,905.56
  6. Step 6: Final answer
    x = 568,741.08

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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.