Home / 1,142,479.15-1,576,587.40-626,222.01

Finding the Fourth Proportional to 1,142,479.15, 1,576,587.40 and 626,222.01

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Solution

The fourth proportional to 1,142,479.15, 1,576,587.40 and 626,222.01 is: 864,167.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,479.15 : 1,576,587.40 = 626,222.01 : x
  2. Step 2: Convert to fraction form
    1,142,479.15/1,576,587.40 = 626,222.01/x
  3. Step 3: Cross multiply
    1,142,479.15x = 1,576,587.40 × 626,222.01
  4. Step 4: Simplify right side
    1,142,479.15x = 987,293,725,439.25
  5. Step 5: Solve for x
    x = 987,293,725,439.25/1,142,479.15
  6. Step 6: Final answer
    x = 864,167.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.