Home / 785,183.95-1,083,277.90-513,410.93

Finding the Fourth Proportional to 785,183.95, 1,083,277.90 and 513,410.93

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Solution

The fourth proportional to 785,183.95, 1,083,277.90 and 513,410.93 is: 708,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,183.95 : 1,083,277.90 = 513,410.93 : x
  2. Step 2: Convert to fraction form
    785,183.95/1,083,277.90 = 513,410.93/x
  3. Step 3: Cross multiply
    785,183.95x = 1,083,277.90 × 513,410.93
  4. Step 4: Simplify right side
    785,183.95x = 556,166,707,387.53
  5. Step 5: Solve for x
    x = 556,166,707,387.53/785,183.95
  6. Step 6: Final answer
    x = 708,326.64

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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.