Home / 988,364.70-1,484,186.76-616,749.66

Finding the Fourth Proportional to 988,364.70, 1,484,186.76 and 616,749.66

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Solution

The fourth proportional to 988,364.70, 1,484,186.76 and 616,749.66 is: 926,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,364.70 : 1,484,186.76 = 616,749.66 : x
  2. Step 2: Convert to fraction form
    988,364.70/1,484,186.76 = 616,749.66/x
  3. Step 3: Cross multiply
    988,364.70x = 1,484,186.76 × 616,749.66
  4. Step 4: Simplify right side
    988,364.70x = 915,371,679,606.50
  5. Step 5: Solve for x
    x = 915,371,679,606.50/988,364.70
  6. Step 6: Final answer
    x = 926,147.69

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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.