Home / 986,622.39-1,361,538.86-533,913.39

Finding the Fourth Proportional to 986,622.39, 1,361,538.86 and 533,913.39

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Solution

The fourth proportional to 986,622.39, 1,361,538.86 and 533,913.39 is: 736,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,622.39 : 1,361,538.86 = 533,913.39 : x
  2. Step 2: Convert to fraction form
    986,622.39/1,361,538.86 = 533,913.39/x
  3. Step 3: Cross multiply
    986,622.39x = 1,361,538.86 × 533,913.39
  4. Step 4: Simplify right side
    986,622.39x = 726,943,825,689.77
  5. Step 5: Solve for x
    x = 726,943,825,689.77/986,622.39
  6. Step 6: Final answer
    x = 736,800.45

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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.