Home / 1,778,652.71-2,668,052.88-516,480.33

Finding the Fourth Proportional to 1,778,652.71, 2,668,052.88 and 516,480.33

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Solution

The fourth proportional to 1,778,652.71, 2,668,052.88 and 516,480.33 is: 774,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,652.71 : 2,668,052.88 = 516,480.33 : x
  2. Step 2: Convert to fraction form
    1,778,652.71/2,668,052.88 = 516,480.33/x
  3. Step 3: Cross multiply
    1,778,652.71x = 2,668,052.88 × 516,480.33
  4. Step 4: Simplify right side
    1,778,652.71x = 1,377,996,841,925.05
  5. Step 5: Solve for x
    x = 1,377,996,841,925.05/1,778,652.71
  6. Step 6: Final answer
    x = 774,741.94

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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.