Home / 987,045.16-1,480,567.52-538,143.58

Finding the Fourth Proportional to 987,045.16, 1,480,567.52 and 538,143.58

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Solution

The fourth proportional to 987,045.16, 1,480,567.52 and 538,143.58 is: 807,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,045.16 : 1,480,567.52 = 538,143.58 : x
  2. Step 2: Convert to fraction form
    987,045.16/1,480,567.52 = 538,143.58/x
  3. Step 3: Cross multiply
    987,045.16x = 1,480,567.52 × 538,143.58
  4. Step 4: Simplify right side
    987,045.16x = 796,757,905,644.52
  5. Step 5: Solve for x
    x = 796,757,905,644.52/987,045.16
  6. Step 6: Final answer
    x = 807,215.25

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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.