Home / 626,513.10-939,769.65-361,092.30

Finding the Fourth Proportional to 626,513.10, 939,769.65 and 361,092.30

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Solution

The fourth proportional to 626,513.10, 939,769.65 and 361,092.30 is: 541,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,513.10 : 939,769.65 = 361,092.30 : x
  2. Step 2: Convert to fraction form
    626,513.10/939,769.65 = 361,092.30/x
  3. Step 3: Cross multiply
    626,513.10x = 939,769.65 × 361,092.30
  4. Step 4: Simplify right side
    626,513.10x = 339,343,584,388.70
  5. Step 5: Solve for x
    x = 339,343,584,388.70/626,513.10
  6. Step 6: Final answer
    x = 541,638.45

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Double scale
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Similar ratio
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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.