Home / 1,319,752.80-1,973,724.30-1,107,176.40

Finding the Fourth Proportional to 1,319,752.80, 1,973,724.30 and 1,107,176.40

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Solution

The fourth proportional to 1,319,752.80, 1,973,724.30 and 1,107,176.40 is: 1,655,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,752.80 : 1,973,724.30 = 1,107,176.40 : x
  2. Step 2: Convert to fraction form
    1,319,752.80/1,973,724.30 = 1,107,176.40/x
  3. Step 3: Cross multiply
    1,319,752.80x = 1,973,724.30 × 1,107,176.40
  4. Step 4: Simplify right side
    1,319,752.80x = 2,185,260,965,066.52
  5. Step 5: Solve for x
    x = 2,185,260,965,066.52/1,319,752.80
  6. Step 6: Final answer
    x = 1,655,810.82

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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.