Home / 1,763,391.90-2,645,779.05-641,574.30

Finding the Fourth Proportional to 1,763,391.90, 2,645,779.05 and 641,574.30

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Solution

The fourth proportional to 1,763,391.90, 2,645,779.05 and 641,574.30 is: 962,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763,391.90 : 2,645,779.05 = 641,574.30 : x
  2. Step 2: Convert to fraction form
    1,763,391.90/2,645,779.05 = 641,574.30/x
  3. Step 3: Cross multiply
    1,763,391.90x = 2,645,779.05 × 641,574.30
  4. Step 4: Simplify right side
    1,763,391.90x = 1,697,463,841,958.42
  5. Step 5: Solve for x
    x = 1,697,463,841,958.42/1,763,391.90
  6. Step 6: Final answer
    x = 962,612.93

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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.