Home / 968,974.80-1,453,721.40-689,038.80

Finding the Fourth Proportional to 968,974.80, 1,453,721.40 and 689,038.80

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Solution

The fourth proportional to 968,974.80, 1,453,721.40 and 689,038.80 is: 1,033,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,974.80 : 1,453,721.40 = 689,038.80 : x
  2. Step 2: Convert to fraction form
    968,974.80/1,453,721.40 = 689,038.80/x
  3. Step 3: Cross multiply
    968,974.80x = 1,453,721.40 × 689,038.80
  4. Step 4: Simplify right side
    968,974.80x = 1,001,670,448,990.32
  5. Step 5: Solve for x
    x = 1,001,670,448,990.32/968,974.80
  6. Step 6: Final answer
    x = 1,033,742.52

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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.