Home / 1,668,309.51-2,500,781.65-657,040.71

Finding the Fourth Proportional to 1,668,309.51, 2,500,781.65 and 657,040.71

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Solution

The fourth proportional to 1,668,309.51, 2,500,781.65 and 657,040.71 is: 984,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,309.51 : 2,500,781.65 = 657,040.71 : x
  2. Step 2: Convert to fraction form
    1,668,309.51/2,500,781.65 = 657,040.71/x
  3. Step 3: Cross multiply
    1,668,309.51x = 2,500,781.65 × 657,040.71
  4. Step 4: Simplify right side
    1,668,309.51x = 1,643,115,358,606.30
  5. Step 5: Solve for x
    x = 1,643,115,358,606.30/1,668,309.51
  6. Step 6: Final answer
    x = 984,898.39

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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.