Home / 1,605,828.89-2,215,838.91-917,545.33

Finding the Fourth Proportional to 1,605,828.89, 2,215,838.91 and 917,545.33

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Solution

The fourth proportional to 1,605,828.89, 2,215,838.91 and 917,545.33 is: 1,266,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,828.89 : 2,215,838.91 = 917,545.33 : x
  2. Step 2: Convert to fraction form
    1,605,828.89/2,215,838.91 = 917,545.33/x
  3. Step 3: Cross multiply
    1,605,828.89x = 2,215,838.91 × 917,545.33
  4. Step 4: Simplify right side
    1,605,828.89x = 2,033,132,638,363.19
  5. Step 5: Solve for x
    x = 2,033,132,638,363.19/1,605,828.89
  6. Step 6: Final answer
    x = 1,266,095.44

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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.