Home / 534,284.20-801,426.30-355,533.40

Finding the Fourth Proportional to 534,284.20, 801,426.30 and 355,533.40

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Solution

The fourth proportional to 534,284.20, 801,426.30 and 355,533.40 is: 533,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,284.20 : 801,426.30 = 355,533.40 : x
  2. Step 2: Convert to fraction form
    534,284.20/801,426.30 = 355,533.40/x
  3. Step 3: Cross multiply
    534,284.20x = 801,426.30 × 355,533.40
  4. Step 4: Simplify right side
    534,284.20x = 284,933,817,288.42
  5. Step 5: Solve for x
    x = 284,933,817,288.42/534,284.20
  6. Step 6: Final answer
    x = 533,300.10

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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.