Home / 1,205,588.34-1,807,365.47-992,366.78

Finding the Fourth Proportional to 1,205,588.34, 1,807,365.47 and 992,366.78

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Solution

The fourth proportional to 1,205,588.34, 1,807,365.47 and 992,366.78 is: 1,487,712.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,588.34 : 1,807,365.47 = 992,366.78 : x
  2. Step 2: Convert to fraction form
    1,205,588.34/1,807,365.47 = 992,366.78/x
  3. Step 3: Cross multiply
    1,205,588.34x = 1,807,365.47 × 992,366.78
  4. Step 4: Simplify right side
    1,205,588.34x = 1,793,569,437,748.43
  5. Step 5: Solve for x
    x = 1,793,569,437,748.43/1,205,588.34
  6. Step 6: Final answer
    x = 1,487,712.99

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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.