Home / 992,489.22-1,369,947.33-563,054.76

Finding the Fourth Proportional to 992,489.22, 1,369,947.33 and 563,054.76

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Solution

The fourth proportional to 992,489.22, 1,369,947.33 and 563,054.76 is: 777,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,489.22 : 1,369,947.33 = 563,054.76 : x
  2. Step 2: Convert to fraction form
    992,489.22/1,369,947.33 = 563,054.76/x
  3. Step 3: Cross multiply
    992,489.22x = 1,369,947.33 × 563,054.76
  4. Step 4: Simplify right side
    992,489.22x = 771,355,365,105.79
  5. Step 5: Solve for x
    x = 771,355,365,105.79/992,489.22
  6. Step 6: Final answer
    x = 777,192.69

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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.