Home / 1,778,646.09-2,668,042.95-516,473.72

Finding the Fourth Proportional to 1,778,646.09, 2,668,042.95 and 516,473.72

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Solution

The fourth proportional to 1,778,646.09, 2,668,042.95 and 516,473.72 is: 774,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,646.09 : 2,668,042.95 = 516,473.72 : x
  2. Step 2: Convert to fraction form
    1,778,646.09/2,668,042.95 = 516,473.72/x
  3. Step 3: Cross multiply
    1,778,646.09x = 2,668,042.95 × 516,473.72
  4. Step 4: Simplify right side
    1,778,646.09x = 1,377,974,065,139.61
  5. Step 5: Solve for x
    x = 1,377,974,065,139.61/1,778,646.09
  6. Step 6: Final answer
    x = 774,732.01

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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.