Home / 1,265,230.76-1,897,651.24-412,300.30

Finding the Fourth Proportional to 1,265,230.76, 1,897,651.24 and 412,300.30

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Solution

The fourth proportional to 1,265,230.76, 1,897,651.24 and 412,300.30 is: 618,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,230.76 : 1,897,651.24 = 412,300.30 : x
  2. Step 2: Convert to fraction form
    1,265,230.76/1,897,651.24 = 412,300.30/x
  3. Step 3: Cross multiply
    1,265,230.76x = 1,897,651.24 × 412,300.30
  4. Step 4: Simplify right side
    1,265,230.76x = 782,402,180,986.92
  5. Step 5: Solve for x
    x = 782,402,180,986.92/1,265,230.76
  6. Step 6: Final answer
    x = 618,386.94

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1.5x scale

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.