Home / 1,280,389.14-1,766,972.66-707,466.24

Finding the Fourth Proportional to 1,280,389.14, 1,766,972.66 and 707,466.24

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Solution

The fourth proportional to 1,280,389.14, 1,766,972.66 and 707,466.24 is: 976,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,389.14 : 1,766,972.66 = 707,466.24 : x
  2. Step 2: Convert to fraction form
    1,280,389.14/1,766,972.66 = 707,466.24/x
  3. Step 3: Cross multiply
    1,280,389.14x = 1,766,972.66 × 707,466.24
  4. Step 4: Simplify right side
    1,280,389.14x = 1,250,073,503,953.00
  5. Step 5: Solve for x
    x = 1,250,073,503,953.00/1,280,389.14
  6. Step 6: Final answer
    x = 976,323.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.