Home / 1,275,097.65-1,911,758.70-564,740.61

Finding the Fourth Proportional to 1,275,097.65, 1,911,758.70 and 564,740.61

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Solution

The fourth proportional to 1,275,097.65, 1,911,758.70 and 564,740.61 is: 846,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,097.65 : 1,911,758.70 = 564,740.61 : x
  2. Step 2: Convert to fraction form
    1,275,097.65/1,911,758.70 = 564,740.61/x
  3. Step 3: Cross multiply
    1,275,097.65x = 1,911,758.70 × 564,740.61
  4. Step 4: Simplify right side
    1,275,097.65x = 1,079,647,774,410.81
  5. Step 5: Solve for x
    x = 1,079,647,774,410.81/1,275,097.65
  6. Step 6: Final answer
    x = 846,717.72

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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.