Home / 992,493.60-1,369,601.64-539,784.96

Finding the Fourth Proportional to 992,493.60, 1,369,601.64 and 539,784.96

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Solution

The fourth proportional to 992,493.60, 1,369,601.64 and 539,784.96 is: 744,881.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,493.60 : 1,369,601.64 = 539,784.96 : x
  2. Step 2: Convert to fraction form
    992,493.60/1,369,601.64 = 539,784.96/x
  3. Step 3: Cross multiply
    992,493.60x = 1,369,601.64 × 539,784.96
  4. Step 4: Simplify right side
    992,493.60x = 739,290,366,463.33
  5. Step 5: Solve for x
    x = 739,290,366,463.33/992,493.60
  6. Step 6: Final answer
    x = 744,881.75

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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.