Home / 966,765.20-1,450,666.20-405,856.40

Finding the Fourth Proportional to 966,765.20, 1,450,666.20 and 405,856.40

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Solution

The fourth proportional to 966,765.20, 1,450,666.20 and 405,856.40 is: 609,002.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,765.20 : 1,450,666.20 = 405,856.40 : x
  2. Step 2: Convert to fraction form
    966,765.20/1,450,666.20 = 405,856.40/x
  3. Step 3: Cross multiply
    966,765.20x = 1,450,666.20 × 405,856.40
  4. Step 4: Simplify right side
    966,765.20x = 588,762,161,533.68
  5. Step 5: Solve for x
    x = 588,762,161,533.68/966,765.20
  6. Step 6: Final answer
    x = 609,002.23

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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.