Home / 784,699.60-1,177,043.73-519,646.54

Finding the Fourth Proportional to 784,699.60, 1,177,043.73 and 519,646.54

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Solution

The fourth proportional to 784,699.60, 1,177,043.73 and 519,646.54 is: 779,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,699.60 : 1,177,043.73 = 519,646.54 : x
  2. Step 2: Convert to fraction form
    784,699.60/1,177,043.73 = 519,646.54/x
  3. Step 3: Cross multiply
    784,699.60x = 1,177,043.73 × 519,646.54
  4. Step 4: Simplify right side
    784,699.60x = 611,646,699,124.96
  5. Step 5: Solve for x
    x = 611,646,699,124.96/784,699.60
  6. Step 6: Final answer
    x = 779,466.05

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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.