Home / 857,892.02-1,183,887.38-475,918.80

Finding the Fourth Proportional to 857,892.02, 1,183,887.38 and 475,918.80

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Solution

The fourth proportional to 857,892.02, 1,183,887.38 and 475,918.80 is: 656,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,892.02 : 1,183,887.38 = 475,918.80 : x
  2. Step 2: Convert to fraction form
    857,892.02/1,183,887.38 = 475,918.80/x
  3. Step 3: Cross multiply
    857,892.02x = 1,183,887.38 × 475,918.80
  4. Step 4: Simplify right side
    857,892.02x = 563,434,261,224.74
  5. Step 5: Solve for x
    x = 563,434,261,224.74/857,892.02
  6. Step 6: Final answer
    x = 656,765.94

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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.