Home / 862,669.83-1,190,572.95-518,617.14

Finding the Fourth Proportional to 862,669.83, 1,190,572.95 and 518,617.14

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Solution

The fourth proportional to 862,669.83, 1,190,572.95 and 518,617.14 is: 715,744.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,669.83 : 1,190,572.95 = 518,617.14 : x
  2. Step 2: Convert to fraction form
    862,669.83/1,190,572.95 = 518,617.14/x
  3. Step 3: Cross multiply
    862,669.83x = 1,190,572.95 × 518,617.14
  4. Step 4: Simplify right side
    862,669.83x = 617,451,538,290.36
  5. Step 5: Solve for x
    x = 617,451,538,290.36/862,669.83
  6. Step 6: Final answer
    x = 715,744.91

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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.