Home / 380,934.71-525,743.46-235,787.07

Finding the Fourth Proportional to 380,934.71, 525,743.46 and 235,787.07

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Solution

The fourth proportional to 380,934.71, 525,743.46 and 235,787.07 is: 325,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,934.71 : 525,743.46 = 235,787.07 : x
  2. Step 2: Convert to fraction form
    380,934.71/525,743.46 = 235,787.07/x
  3. Step 3: Cross multiply
    380,934.71x = 525,743.46 × 235,787.07
  4. Step 4: Simplify right side
    380,934.71x = 123,963,509,019.29
  5. Step 5: Solve for x
    x = 123,963,509,019.29/380,934.71
  6. Step 6: Final answer
    x = 325,419.30

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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.