Home / 986,032.80-1,360,725.21-533,323.80

Finding the Fourth Proportional to 986,032.80, 1,360,725.21 and 533,323.80

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Solution

The fourth proportional to 986,032.80, 1,360,725.21 and 533,323.80 is: 735,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,032.80 : 1,360,725.21 = 533,323.80 : x
  2. Step 2: Convert to fraction form
    986,032.80/1,360,725.21 = 533,323.80/x
  3. Step 3: Cross multiply
    986,032.80x = 1,360,725.21 × 533,323.80
  4. Step 4: Simplify right side
    986,032.80x = 725,707,139,753.00
  5. Step 5: Solve for x
    x = 725,707,139,753.00/986,032.80
  6. Step 6: Final answer
    x = 735,986.81

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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.