Home / 1,285,669.52-1,928,565.79-1,060,612.64

Finding the Fourth Proportional to 1,285,669.52, 1,928,565.79 and 1,060,612.64

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Solution

The fourth proportional to 1,285,669.52, 1,928,565.79 and 1,060,612.64 is: 1,590,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,669.52 : 1,928,565.79 = 1,060,612.64 : x
  2. Step 2: Convert to fraction form
    1,285,669.52/1,928,565.79 = 1,060,612.64/x
  3. Step 3: Cross multiply
    1,285,669.52x = 1,928,565.79 × 1,060,612.64
  4. Step 4: Simplify right side
    1,285,669.52x = 2,045,461,253,945.59
  5. Step 5: Solve for x
    x = 2,045,461,253,945.59/1,285,669.52
  6. Step 6: Final answer
    x = 1,590,969.70

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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.