Home / 583,384.48-804,763.20-401,781.76

Finding the Fourth Proportional to 583,384.48, 804,763.20 and 401,781.76

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Solution

The fourth proportional to 583,384.48, 804,763.20 and 401,781.76 is: 554,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,384.48 : 804,763.20 = 401,781.76 : x
  2. Step 2: Convert to fraction form
    583,384.48/804,763.20 = 401,781.76/x
  3. Step 3: Cross multiply
    583,384.48x = 804,763.20 × 401,781.76
  4. Step 4: Simplify right side
    583,384.48x = 323,339,174,879.23
  5. Step 5: Solve for x
    x = 323,339,174,879.23/583,384.48
  6. Step 6: Final answer
    x = 554,247.13

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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.