Home / 857,741.35-1,183,674.49-475,758.31

Finding the Fourth Proportional to 857,741.35, 1,183,674.49 and 475,758.31

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Solution

The fourth proportional to 857,741.35, 1,183,674.49 and 475,758.31 is: 656,541.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,741.35 : 1,183,674.49 = 475,758.31 : x
  2. Step 2: Convert to fraction form
    857,741.35/1,183,674.49 = 475,758.31/x
  3. Step 3: Cross multiply
    857,741.35x = 1,183,674.49 × 475,758.31
  4. Step 4: Simplify right side
    857,741.35x = 563,142,974,952.51
  5. Step 5: Solve for x
    x = 563,142,974,952.51/857,741.35
  6. Step 6: Final answer
    x = 656,541.71

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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.