Home / 933,542.80-1,400,314.20-302,520.40

Finding the Fourth Proportional to 933,542.80, 1,400,314.20 and 302,520.40

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Solution

The fourth proportional to 933,542.80, 1,400,314.20 and 302,520.40 is: 453,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,542.80 : 1,400,314.20 = 302,520.40 : x
  2. Step 2: Convert to fraction form
    933,542.80/1,400,314.20 = 302,520.40/x
  3. Step 3: Cross multiply
    933,542.80x = 1,400,314.20 × 302,520.40
  4. Step 4: Simplify right side
    933,542.80x = 423,623,611,909.68
  5. Step 5: Solve for x
    x = 423,623,611,909.68/933,542.80
  6. Step 6: Final answer
    x = 453,780.60

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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.