Home / 768,404.93-1,152,591.30-256,107.16

Finding the Fourth Proportional to 768,404.93, 1,152,591.30 and 256,107.16

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Solution

The fourth proportional to 768,404.93, 1,152,591.30 and 256,107.16 is: 384,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,404.93 : 1,152,591.30 = 256,107.16 : x
  2. Step 2: Convert to fraction form
    768,404.93/1,152,591.30 = 256,107.16/x
  3. Step 3: Cross multiply
    768,404.93x = 1,152,591.30 × 256,107.16
  4. Step 4: Simplify right side
    768,404.93x = 295,186,884,483.71
  5. Step 5: Solve for x
    x = 295,186,884,483.71/768,404.93
  6. Step 6: Final answer
    x = 384,155.38

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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.