Home / 457,310.58-685,966.14-190,925.88

Finding the Fourth Proportional to 457,310.58, 685,966.14 and 190,925.88

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Solution

The fourth proportional to 457,310.58, 685,966.14 and 190,925.88 is: 286,388.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,310.58 : 685,966.14 = 190,925.88 : x
  2. Step 2: Convert to fraction form
    457,310.58/685,966.14 = 190,925.88/x
  3. Step 3: Cross multiply
    457,310.58x = 685,966.14 × 190,925.88
  4. Step 4: Simplify right side
    457,310.58x = 130,968,688,929.70
  5. Step 5: Solve for x
    x = 130,968,688,929.70/457,310.58
  6. Step 6: Final answer
    x = 286,388.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.