Home / 645,643.10-968,464.65-433,066.70

Finding the Fourth Proportional to 645,643.10, 968,464.65 and 433,066.70

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Solution

The fourth proportional to 645,643.10, 968,464.65 and 433,066.70 is: 649,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,643.10 : 968,464.65 = 433,066.70 : x
  2. Step 2: Convert to fraction form
    645,643.10/968,464.65 = 433,066.70/x
  3. Step 3: Cross multiply
    645,643.10x = 968,464.65 × 433,066.70
  4. Step 4: Simplify right side
    645,643.10x = 419,409,790,042.16
  5. Step 5: Solve for x
    x = 419,409,790,042.16/645,643.10
  6. Step 6: Final answer
    x = 649,600.05

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Similar ratio
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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.