Home / 2,078,574.80-3,115,529.40-880,293.20

Finding the Fourth Proportional to 2,078,574.80, 3,115,529.40 and 880,293.20

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Solution

The fourth proportional to 2,078,574.80, 3,115,529.40 and 880,293.20 is: 1,319,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,574.80 : 3,115,529.40 = 880,293.20 : x
  2. Step 2: Convert to fraction form
    2,078,574.80/3,115,529.40 = 880,293.20/x
  3. Step 3: Cross multiply
    2,078,574.80x = 3,115,529.40 × 880,293.20
  4. Step 4: Simplify right side
    2,078,574.80x = 2,742,579,345,220.08
  5. Step 5: Solve for x
    x = 2,742,579,345,220.08/2,078,574.80
  6. Step 6: Final answer
    x = 1,319,451.84

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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.