Home / 857,690.16-1,183,613.19-475,716.93

Finding the Fourth Proportional to 857,690.16, 1,183,613.19 and 475,716.93

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Solution

The fourth proportional to 857,690.16, 1,183,613.19 and 475,716.93 is: 656,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,690.16 : 1,183,613.19 = 475,716.93 : x
  2. Step 2: Convert to fraction form
    857,690.16/1,183,613.19 = 475,716.93/x
  3. Step 3: Cross multiply
    857,690.16x = 1,183,613.19 × 475,716.93
  4. Step 4: Simplify right side
    857,690.16x = 563,064,833,054.31
  5. Step 5: Solve for x
    x = 563,064,833,054.31/857,690.16
  6. Step 6: Final answer
    x = 656,489.79

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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.