Home / 1,418,148-2,127,240.53-471,518.72

Finding the Fourth Proportional to 1,418,148, 2,127,240.53 and 471,518.72

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Solution

The fourth proportional to 1,418,148, 2,127,240.53 and 471,518.72 is: 707,284.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,148 : 2,127,240.53 = 471,518.72 : x
  2. Step 2: Convert to fraction form
    1,418,148/2,127,240.53 = 471,518.72/x
  3. Step 3: Cross multiply
    1,418,148x = 2,127,240.53 × 471,518.72
  4. Step 4: Simplify right side
    1,418,148x = 1,003,033,728,589.27
  5. Step 5: Solve for x
    x = 1,003,033,728,589.27/1,418,148
  6. Step 6: Final answer
    x = 707,284.24

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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.