Home / 997,133.68-1,376,025.67-609,920.61

Finding the Fourth Proportional to 997,133.68, 1,376,025.67 and 609,920.61

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Solution

The fourth proportional to 997,133.68, 1,376,025.67 and 609,920.61 is: 841,678.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,133.68 : 1,376,025.67 = 609,920.61 : x
  2. Step 2: Convert to fraction form
    997,133.68/1,376,025.67 = 609,920.61/x
  3. Step 3: Cross multiply
    997,133.68x = 1,376,025.67 × 609,920.61
  4. Step 4: Simplify right side
    997,133.68x = 839,266,416,022.06
  5. Step 5: Solve for x
    x = 839,266,416,022.06/997,133.68
  6. Step 6: Final answer
    x = 841,678.94

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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.