Home / 828,657.51-1,240,992.45-561,607.80

Finding the Fourth Proportional to 828,657.51, 1,240,992.45 and 561,607.80

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Solution

The fourth proportional to 828,657.51, 1,240,992.45 and 561,607.80 is: 841,060.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,657.51 : 1,240,992.45 = 561,607.80 : x
  2. Step 2: Convert to fraction form
    828,657.51/1,240,992.45 = 561,607.80/x
  3. Step 3: Cross multiply
    828,657.51x = 1,240,992.45 × 561,607.80
  4. Step 4: Simplify right side
    828,657.51x = 696,951,039,661.11
  5. Step 5: Solve for x
    x = 696,951,039,661.11/828,657.51
  6. Step 6: Final answer
    x = 841,060.43

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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.