Home / 819,698.88-1,131,182.26-457,123.16

Finding the Fourth Proportional to 819,698.88, 1,131,182.26 and 457,123.16

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Solution

The fourth proportional to 819,698.88, 1,131,182.26 and 457,123.16 is: 630,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,698.88 : 1,131,182.26 = 457,123.16 : x
  2. Step 2: Convert to fraction form
    819,698.88/1,131,182.26 = 457,123.16/x
  3. Step 3: Cross multiply
    819,698.88x = 1,131,182.26 × 457,123.16
  4. Step 4: Simplify right side
    819,698.88x = 517,089,609,227.14
  5. Step 5: Solve for x
    x = 517,089,609,227.14/819,698.88
  6. Step 6: Final answer
    x = 630,828.74

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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.