Home / 608,923.10-913,643.85-384,455.90

Finding the Fourth Proportional to 608,923.10, 913,643.85 and 384,455.90

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Solution

The fourth proportional to 608,923.10, 913,643.85 and 384,455.90 is: 576,847.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,923.10 : 913,643.85 = 384,455.90 : x
  2. Step 2: Convert to fraction form
    608,923.10/913,643.85 = 384,455.90/x
  3. Step 3: Cross multiply
    608,923.10x = 913,643.85 × 384,455.90
  4. Step 4: Simplify right side
    608,923.10x = 351,255,768,631.22
  5. Step 5: Solve for x
    x = 351,255,768,631.22/608,923.10
  6. Step 6: Final answer
    x = 576,847.50

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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.