Home / 705,098.08-1,056,748.56-330,294.88

Finding the Fourth Proportional to 705,098.08, 1,056,748.56 and 330,294.88

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Solution

The fourth proportional to 705,098.08, 1,056,748.56 and 330,294.88 is: 495,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,098.08 : 1,056,748.56 = 330,294.88 : x
  2. Step 2: Convert to fraction form
    705,098.08/1,056,748.56 = 330,294.88/x
  3. Step 3: Cross multiply
    705,098.08x = 1,056,748.56 × 330,294.88
  4. Step 4: Simplify right side
    705,098.08x = 349,038,638,815.37
  5. Step 5: Solve for x
    x = 349,038,638,815.37/705,098.08
  6. Step 6: Final answer
    x = 495,021.40

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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.