Home / 983,176.47-1,356,768.48-553,455.27

Finding the Fourth Proportional to 983,176.47, 1,356,768.48 and 553,455.27

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Solution

The fourth proportional to 983,176.47, 1,356,768.48 and 553,455.27 is: 763,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,176.47 : 1,356,768.48 = 553,455.27 : x
  2. Step 2: Convert to fraction form
    983,176.47/1,356,768.48 = 553,455.27/x
  3. Step 3: Cross multiply
    983,176.47x = 1,356,768.48 × 553,455.27
  4. Step 4: Simplify right side
    983,176.47x = 750,910,665,425.89
  5. Step 5: Solve for x
    x = 750,910,665,425.89/983,176.47
  6. Step 6: Final answer
    x = 763,759.80

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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.