Home / 949,052.70-1,309,692.66-519,332.88

Finding the Fourth Proportional to 949,052.70, 1,309,692.66 and 519,332.88

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Solution

The fourth proportional to 949,052.70, 1,309,692.66 and 519,332.88 is: 716,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,052.70 : 1,309,692.66 = 519,332.88 : x
  2. Step 2: Convert to fraction form
    949,052.70/1,309,692.66 = 519,332.88/x
  3. Step 3: Cross multiply
    949,052.70x = 1,309,692.66 × 519,332.88
  4. Step 4: Simplify right side
    949,052.70x = 680,166,461,032.66
  5. Step 5: Solve for x
    x = 680,166,461,032.66/949,052.70
  6. Step 6: Final answer
    x = 716,679.34

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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.