Home / 961,827.20-1,327,206.12-554,062.40

Finding the Fourth Proportional to 961,827.20, 1,327,206.12 and 554,062.40

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Solution

The fourth proportional to 961,827.20, 1,327,206.12 and 554,062.40 is: 764,539.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,827.20 : 1,327,206.12 = 554,062.40 : x
  2. Step 2: Convert to fraction form
    961,827.20/1,327,206.12 = 554,062.40/x
  3. Step 3: Cross multiply
    961,827.20x = 1,327,206.12 × 554,062.40
  4. Step 4: Simplify right side
    961,827.20x = 735,355,008,141.89
  5. Step 5: Solve for x
    x = 735,355,008,141.89/961,827.20
  6. Step 6: Final answer
    x = 764,539.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.