Home / 1,217,962.58-1,826,812.64-319,494.38

Finding the Fourth Proportional to 1,217,962.58, 1,826,812.64 and 319,494.38

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Solution

The fourth proportional to 1,217,962.58, 1,826,812.64 and 319,494.38 is: 479,207.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,962.58 : 1,826,812.64 = 319,494.38 : x
  2. Step 2: Convert to fraction form
    1,217,962.58/1,826,812.64 = 319,494.38/x
  3. Step 3: Cross multiply
    1,217,962.58x = 1,826,812.64 × 319,494.38
  4. Step 4: Simplify right side
    1,217,962.58x = 583,656,363,457.64
  5. Step 5: Solve for x
    x = 583,656,363,457.64/1,217,962.58
  6. Step 6: Final answer
    x = 479,207.14

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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.