Home / 1,157,136.54-1,735,819.01-398,878.18

Finding the Fourth Proportional to 1,157,136.54, 1,735,819.01 and 398,878.18

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Solution

The fourth proportional to 1,157,136.54, 1,735,819.01 and 398,878.18 is: 598,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,136.54 : 1,735,819.01 = 398,878.18 : x
  2. Step 2: Convert to fraction form
    1,157,136.54/1,735,819.01 = 398,878.18/x
  3. Step 3: Cross multiply
    1,157,136.54x = 1,735,819.01 × 398,878.18
  4. Step 4: Simplify right side
    1,157,136.54x = 692,380,326,521.01
  5. Step 5: Solve for x
    x = 692,380,326,521.01/1,157,136.54
  6. Step 6: Final answer
    x = 598,356.64

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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.