Home / 1,329,424.57-1,993,718.58-430,657.79

Finding the Fourth Proportional to 1,329,424.57, 1,993,718.58 and 430,657.79

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Solution

The fourth proportional to 1,329,424.57, 1,993,718.58 and 430,657.79 is: 645,851.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,424.57 : 1,993,718.58 = 430,657.79 : x
  2. Step 2: Convert to fraction form
    1,329,424.57/1,993,718.58 = 430,657.79/x
  3. Step 3: Cross multiply
    1,329,424.57x = 1,993,718.58 × 430,657.79
  4. Step 4: Simplify right side
    1,329,424.57x = 858,610,437,544.74
  5. Step 5: Solve for x
    x = 858,610,437,544.74/1,329,424.57
  6. Step 6: Final answer
    x = 645,851.19

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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.