Home / 955,311.84-1,432,915.92-290,412

Finding the Fourth Proportional to 955,311.84, 1,432,915.92 and 290,412

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Solution

The fourth proportional to 955,311.84, 1,432,915.92 and 290,412 is: 435,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,311.84 : 1,432,915.92 = 290,412 : x
  2. Step 2: Convert to fraction form
    955,311.84/1,432,915.92 = 290,412/x
  3. Step 3: Cross multiply
    955,311.84x = 1,432,915.92 × 290,412
  4. Step 4: Simplify right side
    955,311.84x = 416,135,978,159.04
  5. Step 5: Solve for x
    x = 416,135,978,159.04/955,311.84
  6. Step 6: Final answer
    x = 435,602.24

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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.