Home / 1,104,525.76-1,657,136.40-394,538.08

Finding the Fourth Proportional to 1,104,525.76, 1,657,136.40 and 394,538.08

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Solution

The fourth proportional to 1,104,525.76, 1,657,136.40 and 394,538.08 is: 591,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,525.76 : 1,657,136.40 = 394,538.08 : x
  2. Step 2: Convert to fraction form
    1,104,525.76/1,657,136.40 = 394,538.08/x
  3. Step 3: Cross multiply
    1,104,525.76x = 1,657,136.40 × 394,538.08
  4. Step 4: Simplify right side
    1,104,525.76x = 653,803,413,554.11
  5. Step 5: Solve for x
    x = 653,803,413,554.11/1,104,525.76
  6. Step 6: Final answer
    x = 591,931.34

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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.