Home / 937,930.20-1,406,895.30-440,266.20

Finding the Fourth Proportional to 937,930.20, 1,406,895.30 and 440,266.20

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Solution

The fourth proportional to 937,930.20, 1,406,895.30 and 440,266.20 is: 660,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,930.20 : 1,406,895.30 = 440,266.20 : x
  2. Step 2: Convert to fraction form
    937,930.20/1,406,895.30 = 440,266.20/x
  3. Step 3: Cross multiply
    937,930.20x = 1,406,895.30 × 440,266.20
  4. Step 4: Simplify right side
    937,930.20x = 619,408,447,528.86
  5. Step 5: Solve for x
    x = 619,408,447,528.86/937,930.20
  6. Step 6: Final answer
    x = 660,399.30

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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.