Home / 570,843.19-787,789.56-316,194.36

Finding the Fourth Proportional to 570,843.19, 787,789.56 and 316,194.36

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Solution

The fourth proportional to 570,843.19, 787,789.56 and 316,194.36 is: 436,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,843.19 : 787,789.56 = 316,194.36 : x
  2. Step 2: Convert to fraction form
    570,843.19/787,789.56 = 316,194.36/x
  3. Step 3: Cross multiply
    570,843.19x = 787,789.56 × 316,194.36
  4. Step 4: Simplify right side
    570,843.19x = 249,094,615,738.88
  5. Step 5: Solve for x
    x = 249,094,615,738.88/570,843.19
  6. Step 6: Final answer
    x = 436,362.60

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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.