Home / 1,525,533.10-2,105,096.48-905,231.36

Finding the Fourth Proportional to 1,525,533.10, 2,105,096.48 and 905,231.36

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Solution

The fourth proportional to 1,525,533.10, 2,105,096.48 and 905,231.36 is: 1,249,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,533.10 : 2,105,096.48 = 905,231.36 : x
  2. Step 2: Convert to fraction form
    1,525,533.10/2,105,096.48 = 905,231.36/x
  3. Step 3: Cross multiply
    1,525,533.10x = 2,105,096.48 × 905,231.36
  4. Step 4: Simplify right side
    1,525,533.10x = 1,905,599,353,652.81
  5. Step 5: Solve for x
    x = 1,905,599,353,652.81/1,525,533.10
  6. Step 6: Final answer
    x = 1,249,136.68

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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.