Home / 935,274.20-1,403,324.40-455,235.80

Finding the Fourth Proportional to 935,274.20, 1,403,324.40 and 455,235.80

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Solution

The fourth proportional to 935,274.20, 1,403,324.40 and 455,235.80 is: 683,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,274.20 : 1,403,324.40 = 455,235.80 : x
  2. Step 2: Convert to fraction form
    935,274.20/1,403,324.40 = 455,235.80/x
  3. Step 3: Cross multiply
    935,274.20x = 1,403,324.40 × 455,235.80
  4. Step 4: Simplify right side
    935,274.20x = 638,843,505,893.52
  5. Step 5: Solve for x
    x = 638,843,505,893.52/935,274.20
  6. Step 6: Final answer
    x = 683,054.77

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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.