Home / 1,038,308.10-1,556,598.15-439,728.90

Finding the Fourth Proportional to 1,038,308.10, 1,556,598.15 and 439,728.90

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Solution

The fourth proportional to 1,038,308.10, 1,556,598.15 and 439,728.90 is: 659,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,308.10 : 1,556,598.15 = 439,728.90 : x
  2. Step 2: Convert to fraction form
    1,038,308.10/1,556,598.15 = 439,728.90/x
  3. Step 3: Cross multiply
    1,038,308.10x = 1,556,598.15 × 439,728.90
  4. Step 4: Simplify right side
    1,038,308.10x = 684,481,192,241.54
  5. Step 5: Solve for x
    x = 684,481,192,241.54/1,038,308.10
  6. Step 6: Final answer
    x = 659,227.44

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Double scale
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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.