Home / 1,292,321.79-1,938,483.23-581,519.52

Finding the Fourth Proportional to 1,292,321.79, 1,938,483.23 and 581,519.52

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Solution

The fourth proportional to 1,292,321.79, 1,938,483.23 and 581,519.52 is: 872,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,321.79 : 1,938,483.23 = 581,519.52 : x
  2. Step 2: Convert to fraction form
    1,292,321.79/1,938,483.23 = 581,519.52/x
  3. Step 3: Cross multiply
    1,292,321.79x = 1,938,483.23 × 581,519.52
  4. Step 4: Simplify right side
    1,292,321.79x = 1,127,265,834,530.05
  5. Step 5: Solve for x
    x = 1,127,265,834,530.05/1,292,321.79
  6. Step 6: Final answer
    x = 872,279.52

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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.