Home / 686,072.89-1,029,111.58-173,737.74

Finding the Fourth Proportional to 686,072.89, 1,029,111.58 and 173,737.74

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Solution

The fourth proportional to 686,072.89, 1,029,111.58 and 173,737.74 is: 260,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,072.89 : 1,029,111.58 = 173,737.74 : x
  2. Step 2: Convert to fraction form
    686,072.89/1,029,111.58 = 173,737.74/x
  3. Step 3: Cross multiply
    686,072.89x = 1,029,111.58 × 173,737.74
  4. Step 4: Simplify right side
    686,072.89x = 178,795,515,510.24
  5. Step 5: Solve for x
    x = 178,795,515,510.24/686,072.89
  6. Step 6: Final answer
    x = 260,607.17

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1.5x scale

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.