Home / 1,458,772.61-2,187,986.64-393,897.74

Finding the Fourth Proportional to 1,458,772.61, 2,187,986.64 and 393,897.74

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Solution

The fourth proportional to 1,458,772.61, 2,187,986.64 and 393,897.74 is: 590,800.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,772.61 : 2,187,986.64 = 393,897.74 : x
  2. Step 2: Convert to fraction form
    1,458,772.61/2,187,986.64 = 393,897.74/x
  3. Step 3: Cross multiply
    1,458,772.61x = 2,187,986.64 × 393,897.74
  4. Step 4: Simplify right side
    1,458,772.61x = 861,842,992,646.19
  5. Step 5: Solve for x
    x = 861,842,992,646.19/1,458,772.61
  6. Step 6: Final answer
    x = 590,800.09

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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.