Home / 1,584,990.69-2,187,287.13-905,941.77

Finding the Fourth Proportional to 1,584,990.69, 2,187,287.13 and 905,941.77

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Solution

The fourth proportional to 1,584,990.69, 2,187,287.13 and 905,941.77 is: 1,250,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,990.69 : 2,187,287.13 = 905,941.77 : x
  2. Step 2: Convert to fraction form
    1,584,990.69/2,187,287.13 = 905,941.77/x
  3. Step 3: Cross multiply
    1,584,990.69x = 2,187,287.13 × 905,941.77
  4. Step 4: Simplify right side
    1,584,990.69x = 1,981,554,774,050.42
  5. Step 5: Solve for x
    x = 1,981,554,774,050.42/1,584,990.69
  6. Step 6: Final answer
    x = 1,250,199.63

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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.