Home / 986,241.64-1,361,000.16-550,665.72

Finding the Fourth Proportional to 986,241.64, 1,361,000.16 and 550,665.72

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Solution

The fourth proportional to 986,241.64, 1,361,000.16 and 550,665.72 is: 759,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,241.64 : 1,361,000.16 = 550,665.72 : x
  2. Step 2: Convert to fraction form
    986,241.64/1,361,000.16 = 550,665.72/x
  3. Step 3: Cross multiply
    986,241.64x = 1,361,000.16 × 550,665.72
  4. Step 4: Simplify right side
    986,241.64x = 749,456,133,026.52
  5. Step 5: Solve for x
    x = 749,456,133,026.52/986,241.64
  6. Step 6: Final answer
    x = 759,911.27

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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.