Home / 927,985.60-1,280,559.48-545,938.56

Finding the Fourth Proportional to 927,985.60, 1,280,559.48 and 545,938.56

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Solution

The fourth proportional to 927,985.60, 1,280,559.48 and 545,938.56 is: 753,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,985.60 : 1,280,559.48 = 545,938.56 : x
  2. Step 2: Convert to fraction form
    927,985.60/1,280,559.48 = 545,938.56/x
  3. Step 3: Cross multiply
    927,985.60x = 1,280,559.48 × 545,938.56
  4. Step 4: Simplify right side
    927,985.60x = 699,106,798,505.55
  5. Step 5: Solve for x
    x = 699,106,798,505.55/927,985.60
  6. Step 6: Final answer
    x = 753,359.53

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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.