Home / 819,853.41-1,131,399.23-457,300.75

Finding the Fourth Proportional to 819,853.41, 1,131,399.23 and 457,300.75

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Solution

The fourth proportional to 819,853.41, 1,131,399.23 and 457,300.75 is: 631,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,853.41 : 1,131,399.23 = 457,300.75 : x
  2. Step 2: Convert to fraction form
    819,853.41/1,131,399.23 = 457,300.75/x
  3. Step 3: Cross multiply
    819,853.41x = 1,131,399.23 × 457,300.75
  4. Step 4: Simplify right side
    819,853.41x = 517,389,716,955.09
  5. Step 5: Solve for x
    x = 517,389,716,955.09/819,853.41
  6. Step 6: Final answer
    x = 631,075.89

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Double scale
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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.