Home / 1,681,499.52-2,319,433.65-1,198,220.85

Finding the Fourth Proportional to 1,681,499.52, 2,319,433.65 and 1,198,220.85

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Solution

The fourth proportional to 1,681,499.52, 2,319,433.65 and 1,198,220.85 is: 1,652,806.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,499.52 : 2,319,433.65 = 1,198,220.85 : x
  2. Step 2: Convert to fraction form
    1,681,499.52/2,319,433.65 = 1,198,220.85/x
  3. Step 3: Cross multiply
    1,681,499.52x = 2,319,433.65 × 1,198,220.85
  4. Step 4: Simplify right side
    1,681,499.52x = 2,779,193,759,621.60
  5. Step 5: Solve for x
    x = 2,779,193,759,621.60/1,681,499.52
  6. Step 6: Final answer
    x = 1,652,806.75

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1.5x scale

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.