Home / 1,331,789.84-1,997,703.20-433,236.27

Finding the Fourth Proportional to 1,331,789.84, 1,997,703.20 and 433,236.27

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Solution

The fourth proportional to 1,331,789.84, 1,997,703.20 and 433,236.27 is: 649,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,789.84 : 1,997,703.20 = 433,236.27 : x
  2. Step 2: Convert to fraction form
    1,331,789.84/1,997,703.20 = 433,236.27/x
  3. Step 3: Cross multiply
    1,331,789.84x = 1,997,703.20 × 433,236.27
  4. Step 4: Simplify right side
    1,331,789.84x = 865,477,482,935.06
  5. Step 5: Solve for x
    x = 865,477,482,935.06/1,331,789.84
  6. Step 6: Final answer
    x = 649,860.40

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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.