Home / 566,895.15-782,315.25-312,246.36

Finding the Fourth Proportional to 566,895.15, 782,315.25 and 312,246.36

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Solution

The fourth proportional to 566,895.15, 782,315.25 and 312,246.36 is: 430,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,895.15 : 782,315.25 = 312,246.36 : x
  2. Step 2: Convert to fraction form
    566,895.15/782,315.25 = 312,246.36/x
  3. Step 3: Cross multiply
    566,895.15x = 782,315.25 × 312,246.36
  4. Step 4: Simplify right side
    566,895.15x = 244,275,089,184.99
  5. Step 5: Solve for x
    x = 244,275,089,184.99/566,895.15
  6. Step 6: Final answer
    x = 430,899.95

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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.