Home / 856,573.60-1,284,137.88-540,333.40

Finding the Fourth Proportional to 856,573.60, 1,284,137.88 and 540,333.40

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Solution

The fourth proportional to 856,573.60, 1,284,137.88 and 540,333.40 is: 810,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,573.60 : 1,284,137.88 = 540,333.40 : x
  2. Step 2: Convert to fraction form
    856,573.60/1,284,137.88 = 540,333.40/x
  3. Step 3: Cross multiply
    856,573.60x = 1,284,137.88 × 540,333.40
  4. Step 4: Simplify right side
    856,573.60x = 693,862,586,769.19
  5. Step 5: Solve for x
    x = 693,862,586,769.19/856,573.60
  6. Step 6: Final answer
    x = 810,044.33

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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.