Home / 373,948.75-515,787.39-253,036.81

Finding the Fourth Proportional to 373,948.75, 515,787.39 and 253,036.81

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Solution

The fourth proportional to 373,948.75, 515,787.39 and 253,036.81 is: 349,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,948.75 : 515,787.39 = 253,036.81 : x
  2. Step 2: Convert to fraction form
    373,948.75/515,787.39 = 253,036.81/x
  3. Step 3: Cross multiply
    373,948.75x = 515,787.39 × 253,036.81
  4. Step 4: Simplify right side
    373,948.75x = 130,513,195,803.83
  5. Step 5: Solve for x
    x = 130,513,195,803.83/373,948.75
  6. Step 6: Final answer
    x = 349,013.59

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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.