Home / 1,013,744.13-1,521,140.38-445,523.93

Finding the Fourth Proportional to 1,013,744.13, 1,521,140.38 and 445,523.93

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Solution

The fourth proportional to 1,013,744.13, 1,521,140.38 and 445,523.93 is: 668,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,744.13 : 1,521,140.38 = 445,523.93 : x
  2. Step 2: Convert to fraction form
    1,013,744.13/1,521,140.38 = 445,523.93/x
  3. Step 3: Cross multiply
    1,013,744.13x = 1,521,140.38 × 445,523.93
  4. Step 4: Simplify right side
    1,013,744.13x = 677,704,437,164.06
  5. Step 5: Solve for x
    x = 677,704,437,164.06/1,013,744.13
  6. Step 6: Final answer
    x = 668,516.27

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1.5x scale

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.