Home / 1,272,918.04-1,909,221.54-524,866.84

Finding the Fourth Proportional to 1,272,918.04, 1,909,221.54 and 524,866.84

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Solution

The fourth proportional to 1,272,918.04, 1,909,221.54 and 524,866.84 is: 787,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,918.04 : 1,909,221.54 = 524,866.84 : x
  2. Step 2: Convert to fraction form
    1,272,918.04/1,909,221.54 = 524,866.84/x
  3. Step 3: Cross multiply
    1,272,918.04x = 1,909,221.54 × 524,866.84
  4. Step 4: Simplify right side
    1,272,918.04x = 1,002,087,076,559.73
  5. Step 5: Solve for x
    x = 1,002,087,076,559.73/1,272,918.04
  6. Step 6: Final answer
    x = 787,236.13

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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.