Home / 530,533.20-795,799.80-520,035.60

Finding the Fourth Proportional to 530,533.20, 795,799.80 and 520,035.60

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Solution

The fourth proportional to 530,533.20, 795,799.80 and 520,035.60 is: 780,053.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,533.20 : 795,799.80 = 520,035.60 : x
  2. Step 2: Convert to fraction form
    530,533.20/795,799.80 = 520,035.60/x
  3. Step 3: Cross multiply
    530,533.20x = 795,799.80 × 520,035.60
  4. Step 4: Simplify right side
    530,533.20x = 413,844,226,472.88
  5. Step 5: Solve for x
    x = 413,844,226,472.88/530,533.20
  6. Step 6: Final answer
    x = 780,053.40

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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.