Home / 649,823.58-974,144.88-294,643.86

Finding the Fourth Proportional to 649,823.58, 974,144.88 and 294,643.86

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Solution

The fourth proportional to 649,823.58, 974,144.88 and 294,643.86 is: 441,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,823.58 : 974,144.88 = 294,643.86 : x
  2. Step 2: Convert to fraction form
    649,823.58/974,144.88 = 294,643.86/x
  3. Step 3: Cross multiply
    649,823.58x = 974,144.88 × 294,643.86
  4. Step 4: Simplify right side
    649,823.58x = 287,025,807,642.44
  5. Step 5: Solve for x
    x = 287,025,807,642.44/649,823.58
  6. Step 6: Final answer
    x = 441,698.05

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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.