Home / 1,587,389.44-2,189,980-898,903.20

Finding the Fourth Proportional to 1,587,389.44, 2,189,980 and 898,903.20

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Solution

The fourth proportional to 1,587,389.44, 2,189,980 and 898,903.20 is: 1,240,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,389.44 : 2,189,980 = 898,903.20 : x
  2. Step 2: Convert to fraction form
    1,587,389.44/2,189,980 = 898,903.20/x
  3. Step 3: Cross multiply
    1,587,389.44x = 2,189,980 × 898,903.20
  4. Step 4: Simplify right side
    1,587,389.44x = 1,968,580,029,936
  5. Step 5: Solve for x
    x = 1,968,580,029,936/1,587,389.44
  6. Step 6: Final answer
    x = 1,240,136.78

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1.5x scale

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.