Home / 1,257,335.00-1,886,019.80-358,776.45

Finding the Fourth Proportional to 1,257,335.00, 1,886,019.80 and 358,776.45

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Solution

The fourth proportional to 1,257,335.00, 1,886,019.80 and 358,776.45 is: 538,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,335.00 : 1,886,019.80 = 358,776.45 : x
  2. Step 2: Convert to fraction form
    1,257,335.00/1,886,019.80 = 358,776.45/x
  3. Step 3: Cross multiply
    1,257,335.00x = 1,886,019.80 × 358,776.45
  4. Step 4: Simplify right side
    1,257,335.00x = 676,659,489,370.65
  5. Step 5: Solve for x
    x = 676,659,489,370.65/1,257,335.00
  6. Step 6: Final answer
    x = 538,169.61

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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.