Home / 980,637.84-1,353,248.91-545,053.05

Finding the Fourth Proportional to 980,637.84, 1,353,248.91 and 545,053.05

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Solution

The fourth proportional to 980,637.84, 1,353,248.91 and 545,053.05 is: 752,155.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,637.84 : 1,353,248.91 = 545,053.05 : x
  2. Step 2: Convert to fraction form
    980,637.84/1,353,248.91 = 545,053.05/x
  3. Step 3: Cross multiply
    980,637.84x = 1,353,248.91 × 545,053.05
  4. Step 4: Simplify right side
    980,637.84x = 737,592,445,804.68
  5. Step 5: Solve for x
    x = 737,592,445,804.68/980,637.84
  6. Step 6: Final answer
    x = 752,155.81

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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.