Home / 1,105,281.90-1,658,311.65-543,941.10

Finding the Fourth Proportional to 1,105,281.90, 1,658,311.65 and 543,941.10

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Solution

The fourth proportional to 1,105,281.90, 1,658,311.65 and 543,941.10 is: 816,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,281.90 : 1,658,311.65 = 543,941.10 : x
  2. Step 2: Convert to fraction form
    1,105,281.90/1,658,311.65 = 543,941.10/x
  3. Step 3: Cross multiply
    1,105,281.90x = 1,658,311.65 × 543,941.10
  4. Step 4: Simplify right side
    1,105,281.90x = 902,023,863,043.82
  5. Step 5: Solve for x
    x = 902,023,863,043.82/1,105,281.90
  6. Step 6: Final answer
    x = 816,102.99

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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.