Home / 928,885.20-1,393,327.80-456,493.20

Finding the Fourth Proportional to 928,885.20, 1,393,327.80 and 456,493.20

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Solution

The fourth proportional to 928,885.20, 1,393,327.80 and 456,493.20 is: 684,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,885.20 : 1,393,327.80 = 456,493.20 : x
  2. Step 2: Convert to fraction form
    928,885.20/1,393,327.80 = 456,493.20/x
  3. Step 3: Cross multiply
    928,885.20x = 1,393,327.80 × 456,493.20
  4. Step 4: Simplify right side
    928,885.20x = 636,044,666,070.96
  5. Step 5: Solve for x
    x = 636,044,666,070.96/928,885.20
  6. Step 6: Final answer
    x = 684,739.80

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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.