Home / 923,472.80-1,385,209.20-362,218.40

Finding the Fourth Proportional to 923,472.80, 1,385,209.20 and 362,218.40

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Solution

The fourth proportional to 923,472.80, 1,385,209.20 and 362,218.40 is: 543,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,472.80 : 1,385,209.20 = 362,218.40 : x
  2. Step 2: Convert to fraction form
    923,472.80/1,385,209.20 = 362,218.40/x
  3. Step 3: Cross multiply
    923,472.80x = 1,385,209.20 × 362,218.40
  4. Step 4: Simplify right side
    923,472.80x = 501,748,260,089.28
  5. Step 5: Solve for x
    x = 501,748,260,089.28/923,472.80
  6. Step 6: Final answer
    x = 543,327.60

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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.