Home / 515,535.36-773,421.12-160,529.28

Finding the Fourth Proportional to 515,535.36, 773,421.12 and 160,529.28

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Solution

The fourth proportional to 515,535.36, 773,421.12 and 160,529.28 is: 240,830.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,535.36 : 773,421.12 = 160,529.28 : x
  2. Step 2: Convert to fraction form
    515,535.36/773,421.12 = 160,529.28/x
  3. Step 3: Cross multiply
    515,535.36x = 773,421.12 × 160,529.28
  4. Step 4: Simplify right side
    515,535.36x = 124,156,735,530.39
  5. Step 5: Solve for x
    x = 124,156,735,530.39/515,535.36
  6. Step 6: Final answer
    x = 240,830.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.