Home / 1,215,594.87-1,677,621.93-671,836.80

Finding the Fourth Proportional to 1,215,594.87, 1,677,621.93 and 671,836.80

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Solution

The fourth proportional to 1,215,594.87, 1,677,621.93 and 671,836.80 is: 927,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,594.87 : 1,677,621.93 = 671,836.80 : x
  2. Step 2: Convert to fraction form
    1,215,594.87/1,677,621.93 = 671,836.80/x
  3. Step 3: Cross multiply
    1,215,594.87x = 1,677,621.93 × 671,836.80
  4. Step 4: Simplify right side
    1,215,594.87x = 1,127,088,149,061.02
  5. Step 5: Solve for x
    x = 1,127,088,149,061.02/1,215,594.87
  6. Step 6: Final answer
    x = 927,190.61

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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.