Home / 1,690,803.69-2,333,059.98-1,028,177.52

Finding the Fourth Proportional to 1,690,803.69, 2,333,059.98 and 1,028,177.52

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Solution

The fourth proportional to 1,690,803.69, 2,333,059.98 and 1,028,177.52 is: 1,418,733.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,803.69 : 2,333,059.98 = 1,028,177.52 : x
  2. Step 2: Convert to fraction form
    1,690,803.69/2,333,059.98 = 1,028,177.52/x
  3. Step 3: Cross multiply
    1,690,803.69x = 2,333,059.98 × 1,028,177.52
  4. Step 4: Simplify right side
    1,690,803.69x = 2,398,799,824,939.41
  5. Step 5: Solve for x
    x = 2,398,799,824,939.41/1,690,803.69
  6. Step 6: Final answer
    x = 1,418,733.49

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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.