Home / 1,248,775.82-1,872,835.53-538,645.98

Finding the Fourth Proportional to 1,248,775.82, 1,872,835.53 and 538,645.98

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Solution

The fourth proportional to 1,248,775.82, 1,872,835.53 and 538,645.98 is: 807,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,775.82 : 1,872,835.53 = 538,645.98 : x
  2. Step 2: Convert to fraction form
    1,248,775.82/1,872,835.53 = 538,645.98/x
  3. Step 3: Cross multiply
    1,248,775.82x = 1,872,835.53 × 538,645.98
  4. Step 4: Simplify right side
    1,248,775.82x = 1,008,795,329,435.67
  5. Step 5: Solve for x
    x = 1,008,795,329,435.67/1,248,775.82
  6. Step 6: Final answer
    x = 807,827.40

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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.