Home / 1,668,125.78-2,501,698.19-708,573.76

Finding the Fourth Proportional to 1,668,125.78, 2,501,698.19 and 708,573.76

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Solution

The fourth proportional to 1,668,125.78, 2,501,698.19 and 708,573.76 is: 1,062,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,125.78 : 2,501,698.19 = 708,573.76 : x
  2. Step 2: Convert to fraction form
    1,668,125.78/2,501,698.19 = 708,573.76/x
  3. Step 3: Cross multiply
    1,668,125.78x = 2,501,698.19 × 708,573.76
  4. Step 4: Simplify right side
    1,668,125.78x = 1,772,637,700,107.21
  5. Step 5: Solve for x
    x = 1,772,637,700,107.21/1,668,125.78
  6. Step 6: Final answer
    x = 1,062,652.30

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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.