Home / 530,178.20-793,517.70-411,205.40

Finding the Fourth Proportional to 530,178.20, 793,517.70 and 411,205.40

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Solution

The fourth proportional to 530,178.20, 793,517.70 and 411,205.40 is: 615,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,178.20 : 793,517.70 = 411,205.40 : x
  2. Step 2: Convert to fraction form
    530,178.20/793,517.70 = 411,205.40/x
  3. Step 3: Cross multiply
    530,178.20x = 793,517.70 × 411,205.40
  4. Step 4: Simplify right side
    530,178.20x = 326,298,763,235.58
  5. Step 5: Solve for x
    x = 326,298,763,235.58/530,178.20
  6. Step 6: Final answer
    x = 615,451.11

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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.