Home / 1,257,336.06-1,886,021.40-358,777.51

Finding the Fourth Proportional to 1,257,336.06, 1,886,021.40 and 358,777.51

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Solution

The fourth proportional to 1,257,336.06, 1,886,021.40 and 358,777.51 is: 538,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,336.06 : 1,886,021.40 = 358,777.51 : x
  2. Step 2: Convert to fraction form
    1,257,336.06/1,886,021.40 = 358,777.51/x
  3. Step 3: Cross multiply
    1,257,336.06x = 1,886,021.40 × 358,777.51
  4. Step 4: Simplify right side
    1,257,336.06x = 676,662,061,698.71
  5. Step 5: Solve for x
    x = 676,662,061,698.71/1,257,336.06
  6. Step 6: Final answer
    x = 538,171.20

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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.