Home / 856,094.40-1,283,839.20-294,998.40

Finding the Fourth Proportional to 856,094.40, 1,283,839.20 and 294,998.40

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Solution

The fourth proportional to 856,094.40, 1,283,839.20 and 294,998.40 is: 442,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,094.40 : 1,283,839.20 = 294,998.40 : x
  2. Step 2: Convert to fraction form
    856,094.40/1,283,839.20 = 294,998.40/x
  3. Step 3: Cross multiply
    856,094.40x = 1,283,839.20 × 294,998.40
  4. Step 4: Simplify right side
    856,094.40x = 378,730,509,857.28
  5. Step 5: Solve for x
    x = 378,730,509,857.28/856,094.40
  6. Step 6: Final answer
    x = 442,393.40

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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.