Home / 1,257,172.65-1,886,051.79-358,626.69

Finding the Fourth Proportional to 1,257,172.65, 1,886,051.79 and 358,626.69

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Solution

The fourth proportional to 1,257,172.65, 1,886,051.79 and 358,626.69 is: 538,023.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,172.65 : 1,886,051.79 = 358,626.69 : x
  2. Step 2: Convert to fraction form
    1,257,172.65/1,886,051.79 = 358,626.69/x
  3. Step 3: Cross multiply
    1,257,172.65x = 1,886,051.79 × 358,626.69
  4. Step 4: Simplify right side
    1,257,172.65x = 676,388,510,616.28
  5. Step 5: Solve for x
    x = 676,388,510,616.28/1,257,172.65
  6. Step 6: Final answer
    x = 538,023.56

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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.