Home / 1,327,970.88-1,832,583.84-724,345.92

Finding the Fourth Proportional to 1,327,970.88, 1,832,583.84 and 724,345.92

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Solution

The fourth proportional to 1,327,970.88, 1,832,583.84 and 724,345.92 is: 999,588.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,970.88 : 1,832,583.84 = 724,345.92 : x
  2. Step 2: Convert to fraction form
    1,327,970.88/1,832,583.84 = 724,345.92/x
  3. Step 3: Cross multiply
    1,327,970.88x = 1,832,583.84 × 724,345.92
  4. Step 4: Simplify right side
    1,327,970.88x = 1,327,424,627,561.93
  5. Step 5: Solve for x
    x = 1,327,424,627,561.93/1,327,970.88
  6. Step 6: Final answer
    x = 999,588.66

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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.