Home / 572,533.20-858,799.80-543,008.70

Finding the Fourth Proportional to 572,533.20, 858,799.80 and 543,008.70

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Solution

The fourth proportional to 572,533.20, 858,799.80 and 543,008.70 is: 814,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,533.20 : 858,799.80 = 543,008.70 : x
  2. Step 2: Convert to fraction form
    572,533.20/858,799.80 = 543,008.70/x
  3. Step 3: Cross multiply
    572,533.20x = 858,799.80 × 543,008.70
  4. Step 4: Simplify right side
    572,533.20x = 466,335,762,958.26
  5. Step 5: Solve for x
    x = 466,335,762,958.26/572,533.20
  6. Step 6: Final answer
    x = 814,513.05

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Double scale
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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.