Home / 862,670.83-1,190,574.33-518,618.14

Finding the Fourth Proportional to 862,670.83, 1,190,574.33 and 518,618.14

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Solution

The fourth proportional to 862,670.83, 1,190,574.33 and 518,618.14 is: 715,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,670.83 : 1,190,574.33 = 518,618.14 : x
  2. Step 2: Convert to fraction form
    862,670.83/1,190,574.33 = 518,618.14/x
  3. Step 3: Cross multiply
    862,670.83x = 1,190,574.33 × 518,618.14
  4. Step 4: Simplify right side
    862,670.83x = 617,453,444,556.35
  5. Step 5: Solve for x
    x = 617,453,444,556.35/862,670.83
  6. Step 6: Final answer
    x = 715,746.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.