Home / 563,945.09-778,301.06-322,263.36

Finding the Fourth Proportional to 563,945.09, 778,301.06 and 322,263.36

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Solution

The fourth proportional to 563,945.09, 778,301.06 and 322,263.36 is: 444,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,945.09 : 778,301.06 = 322,263.36 : x
  2. Step 2: Convert to fraction form
    563,945.09/778,301.06 = 322,263.36/x
  3. Step 3: Cross multiply
    563,945.09x = 778,301.06 × 322,263.36
  4. Step 4: Simplify right side
    563,945.09x = 250,817,913,075.85
  5. Step 5: Solve for x
    x = 250,817,913,075.85/563,945.09
  6. Step 6: Final answer
    x = 444,755.92

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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.