Home / 993,718.36-1,490,545.73-417,646.83

Finding the Fourth Proportional to 993,718.36, 1,490,545.73 and 417,646.83

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Solution

The fourth proportional to 993,718.36, 1,490,545.73 and 417,646.83 is: 626,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,718.36 : 1,490,545.73 = 417,646.83 : x
  2. Step 2: Convert to fraction form
    993,718.36/1,490,545.73 = 417,646.83/x
  3. Step 3: Cross multiply
    993,718.36x = 1,490,545.73 × 417,646.83
  4. Step 4: Simplify right side
    993,718.36x = 622,521,705,738.20
  5. Step 5: Solve for x
    x = 622,521,705,738.20/993,718.36
  6. Step 6: Final answer
    x = 626,456.88

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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.