Home / 1,121,702.54-1,682,200.88-363,368.07

Finding the Fourth Proportional to 1,121,702.54, 1,682,200.88 and 363,368.07

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Solution

The fourth proportional to 1,121,702.54, 1,682,200.88 and 363,368.07 is: 544,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,702.54 : 1,682,200.88 = 363,368.07 : x
  2. Step 2: Convert to fraction form
    1,121,702.54/1,682,200.88 = 363,368.07/x
  3. Step 3: Cross multiply
    1,121,702.54x = 1,682,200.88 × 363,368.07
  4. Step 4: Simplify right side
    1,121,702.54x = 611,258,078,992.81
  5. Step 5: Solve for x
    x = 611,258,078,992.81/1,121,702.54
  6. Step 6: Final answer
    x = 544,937.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.