Home / 986,323.50-1,361,112.98-550,747.57

Finding the Fourth Proportional to 986,323.50, 1,361,112.98 and 550,747.57

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Solution

The fourth proportional to 986,323.50, 1,361,112.98 and 550,747.57 is: 760,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,323.50 : 1,361,112.98 = 550,747.57 : x
  2. Step 2: Convert to fraction form
    986,323.50/1,361,112.98 = 550,747.57/x
  3. Step 3: Cross multiply
    986,323.50x = 1,361,112.98 × 550,747.57
  4. Step 4: Simplify right side
    986,323.50x = 749,629,666,230.46
  5. Step 5: Solve for x
    x = 749,629,666,230.46/986,323.50
  6. Step 6: Final answer
    x = 760,024.14

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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.