Home / 857,786.36-1,183,886.89-475,936.16

Finding the Fourth Proportional to 857,786.36, 1,183,886.89 and 475,936.16

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Solution

The fourth proportional to 857,786.36, 1,183,886.89 and 475,936.16 is: 656,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,786.36 : 1,183,886.89 = 475,936.16 : x
  2. Step 2: Convert to fraction form
    857,786.36/1,183,886.89 = 475,936.16/x
  3. Step 3: Cross multiply
    857,786.36x = 1,183,886.89 × 475,936.16
  4. Step 4: Simplify right side
    857,786.36x = 563,454,573,191.67
  5. Step 5: Solve for x
    x = 563,454,573,191.67/857,786.36
  6. Step 6: Final answer
    x = 656,870.52

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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.