Home / 1,077,963.60-1,618,257.60-545,210.40

Finding the Fourth Proportional to 1,077,963.60, 1,618,257.60 and 545,210.40

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Solution

The fourth proportional to 1,077,963.60, 1,618,257.60 and 545,210.40 is: 818,479.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,963.60 : 1,618,257.60 = 545,210.40 : x
  2. Step 2: Convert to fraction form
    1,077,963.60/1,618,257.60 = 545,210.40/x
  3. Step 3: Cross multiply
    1,077,963.60x = 1,618,257.60 × 545,210.40
  4. Step 4: Simplify right side
    1,077,963.60x = 882,290,873,399.04
  5. Step 5: Solve for x
    x = 882,290,873,399.04/1,077,963.60
  6. Step 6: Final answer
    x = 818,479.28

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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.