Home / 1,077,828.80-1,616,743.20-368,657.60

Finding the Fourth Proportional to 1,077,828.80, 1,616,743.20 and 368,657.60

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Solution

The fourth proportional to 1,077,828.80, 1,616,743.20 and 368,657.60 is: 552,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,828.80 : 1,616,743.20 = 368,657.60 : x
  2. Step 2: Convert to fraction form
    1,077,828.80/1,616,743.20 = 368,657.60/x
  3. Step 3: Cross multiply
    1,077,828.80x = 1,616,743.20 × 368,657.60
  4. Step 4: Simplify right side
    1,077,828.80x = 596,024,667,928.32
  5. Step 5: Solve for x
    x = 596,024,667,928.32/1,077,828.80
  6. Step 6: Final answer
    x = 552,986.40

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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.