Home / 1,124,047.20-1,682,571.60-649,322.40

Finding the Fourth Proportional to 1,124,047.20, 1,682,571.60 and 649,322.40

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Solution

The fourth proportional to 1,124,047.20, 1,682,571.60 and 649,322.40 is: 971,962.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,047.20 : 1,682,571.60 = 649,322.40 : x
  2. Step 2: Convert to fraction form
    1,124,047.20/1,682,571.60 = 649,322.40/x
  3. Step 3: Cross multiply
    1,124,047.20x = 1,682,571.60 × 649,322.40
  4. Step 4: Simplify right side
    1,124,047.20x = 1,092,531,429,483.84
  5. Step 5: Solve for x
    x = 1,092,531,429,483.84/1,124,047.20
  6. Step 6: Final answer
    x = 971,962.24

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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.