Home / 1,216,776.79-1,825,025.76-318,305.25

Finding the Fourth Proportional to 1,216,776.79, 1,825,025.76 and 318,305.25

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Solution

The fourth proportional to 1,216,776.79, 1,825,025.76 and 318,305.25 is: 477,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,776.79 : 1,825,025.76 = 318,305.25 : x
  2. Step 2: Convert to fraction form
    1,216,776.79/1,825,025.76 = 318,305.25/x
  3. Step 3: Cross multiply
    1,216,776.79x = 1,825,025.76 × 318,305.25
  4. Step 4: Simplify right side
    1,216,776.79x = 580,915,280,793.24
  5. Step 5: Solve for x
    x = 580,915,280,793.24/1,216,776.79
  6. Step 6: Final answer
    x = 477,421.40

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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.