Home / 1,600,864.80-2,209,245.78-912,524.15

Finding the Fourth Proportional to 1,600,864.80, 2,209,245.78 and 912,524.15

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Solution

The fourth proportional to 1,600,864.80, 2,209,245.78 and 912,524.15 is: 1,259,313.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,864.80 : 2,209,245.78 = 912,524.15 : x
  2. Step 2: Convert to fraction form
    1,600,864.80/2,209,245.78 = 912,524.15/x
  3. Step 3: Cross multiply
    1,600,864.80x = 2,209,245.78 × 912,524.15
  4. Step 4: Simplify right side
    1,600,864.80x = 2,015,990,127,535.59
  5. Step 5: Solve for x
    x = 2,015,990,127,535.59/1,600,864.80
  6. Step 6: Final answer
    x = 1,259,313.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.