Home / 1,148,459.77-1,584,874.48-639,282.43

Finding the Fourth Proportional to 1,148,459.77, 1,584,874.48 and 639,282.43

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Solution

The fourth proportional to 1,148,459.77, 1,584,874.48 and 639,282.43 is: 882,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,459.77 : 1,584,874.48 = 639,282.43 : x
  2. Step 2: Convert to fraction form
    1,148,459.77/1,584,874.48 = 639,282.43/x
  3. Step 3: Cross multiply
    1,148,459.77x = 1,584,874.48 × 639,282.43
  4. Step 4: Simplify right side
    1,148,459.77x = 1,013,182,399,688.03
  5. Step 5: Solve for x
    x = 1,013,182,399,688.03/1,148,459.77
  6. Step 6: Final answer
    x = 882,209.75

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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.