Home / 524,669.58-787,004.38-145,590.44

Finding the Fourth Proportional to 524,669.58, 787,004.38 and 145,590.44

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Solution

The fourth proportional to 524,669.58, 787,004.38 and 145,590.44 is: 218,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,669.58 : 787,004.38 = 145,590.44 : x
  2. Step 2: Convert to fraction form
    524,669.58/787,004.38 = 145,590.44/x
  3. Step 3: Cross multiply
    524,669.58x = 787,004.38 × 145,590.44
  4. Step 4: Simplify right side
    524,669.58x = 114,580,312,017.07
  5. Step 5: Solve for x
    x = 114,580,312,017.07/524,669.58
  6. Step 6: Final answer
    x = 218,385.66

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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.