Home / 929,756.84-1,282,965.85-521,903.55

Finding the Fourth Proportional to 929,756.84, 1,282,965.85 and 521,903.55

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Solution

The fourth proportional to 929,756.84, 1,282,965.85 and 521,903.55 is: 720,171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,756.84 : 1,282,965.85 = 521,903.55 : x
  2. Step 2: Convert to fraction form
    929,756.84/1,282,965.85 = 521,903.55/x
  3. Step 3: Cross multiply
    929,756.84x = 1,282,965.85 × 521,903.55
  4. Step 4: Simplify right side
    929,756.84x = 669,584,434,905.51
  5. Step 5: Solve for x
    x = 669,584,434,905.51/929,756.84
  6. Step 6: Final answer
    x = 720,171.56

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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.