Home / 1,238,792.54-1,858,185.05-340,235.08

Finding the Fourth Proportional to 1,238,792.54, 1,858,185.05 and 340,235.08

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Solution

The fourth proportional to 1,238,792.54, 1,858,185.05 and 340,235.08 is: 510,351.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,792.54 : 1,858,185.05 = 340,235.08 : x
  2. Step 2: Convert to fraction form
    1,238,792.54/1,858,185.05 = 340,235.08/x
  3. Step 3: Cross multiply
    1,238,792.54x = 1,858,185.05 × 340,235.08
  4. Step 4: Simplify right side
    1,238,792.54x = 632,219,739,141.55
  5. Step 5: Solve for x
    x = 632,219,739,141.55/1,238,792.54
  6. Step 6: Final answer
    x = 510,351.59

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Double scale
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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.