Home / 630,104.32-869,565.76-358,183.60

Finding the Fourth Proportional to 630,104.32, 869,565.76 and 358,183.60

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Solution

The fourth proportional to 630,104.32, 869,565.76 and 358,183.60 is: 494,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,104.32 : 869,565.76 = 358,183.60 : x
  2. Step 2: Convert to fraction form
    630,104.32/869,565.76 = 358,183.60/x
  3. Step 3: Cross multiply
    630,104.32x = 869,565.76 × 358,183.60
  4. Step 4: Simplify right side
    630,104.32x = 311,464,194,353.54
  5. Step 5: Solve for x
    x = 311,464,194,353.54/630,104.32
  6. Step 6: Final answer
    x = 494,305.76

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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.