Home / 879,416.20-1,319,124.30-826,272.10

Finding the Fourth Proportional to 879,416.20, 1,319,124.30 and 826,272.10

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Solution

The fourth proportional to 879,416.20, 1,319,124.30 and 826,272.10 is: 1,239,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,416.20 : 1,319,124.30 = 826,272.10 : x
  2. Step 2: Convert to fraction form
    879,416.20/1,319,124.30 = 826,272.10/x
  3. Step 3: Cross multiply
    879,416.20x = 1,319,124.30 × 826,272.10
  4. Step 4: Simplify right side
    879,416.20x = 1,089,955,605,522.03
  5. Step 5: Solve for x
    x = 1,089,955,605,522.03/879,416.20
  6. Step 6: Final answer
    x = 1,239,408.15

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1.5x scale

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.