Home / 857,731.35-1,183,660.69-475,748.31

Finding the Fourth Proportional to 857,731.35, 1,183,660.69 and 475,748.31

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Solution

The fourth proportional to 857,731.35, 1,183,660.69 and 475,748.31 is: 656,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,731.35 : 1,183,660.69 = 475,748.31 : x
  2. Step 2: Convert to fraction form
    857,731.35/1,183,660.69 = 475,748.31/x
  3. Step 3: Cross multiply
    857,731.35x = 1,183,660.69 × 475,748.31
  4. Step 4: Simplify right side
    857,731.35x = 563,124,572,880.93
  5. Step 5: Solve for x
    x = 563,124,572,880.93/857,731.35
  6. Step 6: Final answer
    x = 656,527.91

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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.