Home / 958,012.90-1,437,133.92-389,272.48

Finding the Fourth Proportional to 958,012.90, 1,437,133.92 and 389,272.48

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Solution

The fourth proportional to 958,012.90, 1,437,133.92 and 389,272.48 is: 583,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,012.90 : 1,437,133.92 = 389,272.48 : x
  2. Step 2: Convert to fraction form
    958,012.90/1,437,133.92 = 389,272.48/x
  3. Step 3: Cross multiply
    958,012.90x = 1,437,133.92 × 389,272.48
  4. Step 4: Simplify right side
    958,012.90x = 559,436,685,130.52
  5. Step 5: Solve for x
    x = 559,436,685,130.52/958,012.90
  6. Step 6: Final answer
    x = 583,955.27

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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.