Home / 1,103,266.50-1,654,899.76-355,312.50

Finding the Fourth Proportional to 1,103,266.50, 1,654,899.76 and 355,312.50

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Solution

The fourth proportional to 1,103,266.50, 1,654,899.76 and 355,312.50 is: 532,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,266.50 : 1,654,899.76 = 355,312.50 : x
  2. Step 2: Convert to fraction form
    1,103,266.50/1,654,899.76 = 355,312.50/x
  3. Step 3: Cross multiply
    1,103,266.50x = 1,654,899.76 × 355,312.50
  4. Step 4: Simplify right side
    1,103,266.50x = 588,006,570,975
  5. Step 5: Solve for x
    x = 588,006,570,975/1,103,266.50
  6. Step 6: Final answer
    x = 532,968.75

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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.