Home / 645,333.80-968,000.70-577,682.60

Finding the Fourth Proportional to 645,333.80, 968,000.70 and 577,682.60

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Solution

The fourth proportional to 645,333.80, 968,000.70 and 577,682.60 is: 866,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,333.80 : 968,000.70 = 577,682.60 : x
  2. Step 2: Convert to fraction form
    645,333.80/968,000.70 = 577,682.60/x
  3. Step 3: Cross multiply
    645,333.80x = 968,000.70 × 577,682.60
  4. Step 4: Simplify right side
    645,333.80x = 559,197,161,177.82
  5. Step 5: Solve for x
    x = 559,197,161,177.82/645,333.80
  6. Step 6: Final answer
    x = 866,523.90

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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.