Home / 982,154.35-1,355,359.39-552,434.77

Finding the Fourth Proportional to 982,154.35, 1,355,359.39 and 552,434.77

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Solution

The fourth proportional to 982,154.35, 1,355,359.39 and 552,434.77 is: 762,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,154.35 : 1,355,359.39 = 552,434.77 : x
  2. Step 2: Convert to fraction form
    982,154.35/1,355,359.39 = 552,434.77/x
  3. Step 3: Cross multiply
    982,154.35x = 1,355,359.39 × 552,434.77
  4. Step 4: Simplify right side
    982,154.35x = 748,747,652,881.99
  5. Step 5: Solve for x
    x = 748,747,652,881.99/982,154.35
  6. Step 6: Final answer
    x = 762,352.33

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1.5x scale

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.