Home / 865,116.36-1,296,545.81-626,035.56

Finding the Fourth Proportional to 865,116.36, 1,296,545.81 and 626,035.56

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Solution

The fourth proportional to 865,116.36, 1,296,545.81 and 626,035.56 is: 938,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,116.36 : 1,296,545.81 = 626,035.56 : x
  2. Step 2: Convert to fraction form
    865,116.36/1,296,545.81 = 626,035.56/x
  3. Step 3: Cross multiply
    865,116.36x = 1,296,545.81 × 626,035.56
  4. Step 4: Simplify right side
    865,116.36x = 811,683,779,098.83
  5. Step 5: Solve for x
    x = 811,683,779,098.83/865,116.36
  6. Step 6: Final answer
    x = 938,236.54

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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.