Home / 1,049,665.10-1,574,692.05-339,716.30

Finding the Fourth Proportional to 1,049,665.10, 1,574,692.05 and 339,716.30

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Solution

The fourth proportional to 1,049,665.10, 1,574,692.05 and 339,716.30 is: 509,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,665.10 : 1,574,692.05 = 339,716.30 : x
  2. Step 2: Convert to fraction form
    1,049,665.10/1,574,692.05 = 339,716.30/x
  3. Step 3: Cross multiply
    1,049,665.10x = 1,574,692.05 × 339,716.30
  4. Step 4: Simplify right side
    1,049,665.10x = 534,948,556,865.42
  5. Step 5: Solve for x
    x = 534,948,556,865.42/1,049,665.10
  6. Step 6: Final answer
    x = 509,637.37

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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.