Home / 1,136,571.95-1,568,472.65-620,330.60

Finding the Fourth Proportional to 1,136,571.95, 1,568,472.65 and 620,330.60

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Solution

The fourth proportional to 1,136,571.95, 1,568,472.65 and 620,330.60 is: 856,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,571.95 : 1,568,472.65 = 620,330.60 : x
  2. Step 2: Convert to fraction form
    1,136,571.95/1,568,472.65 = 620,330.60/x
  3. Step 3: Cross multiply
    1,136,571.95x = 1,568,472.65 × 620,330.60
  4. Step 4: Simplify right side
    1,136,571.95x = 972,971,569,114.07
  5. Step 5: Solve for x
    x = 972,971,569,114.07/1,136,571.95
  6. Step 6: Final answer
    x = 856,058.06

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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.