Home / 1,475,347.20-2,211,271.20-1,324,881.60

Finding the Fourth Proportional to 1,475,347.20, 2,211,271.20 and 1,324,881.60

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Solution

The fourth proportional to 1,475,347.20, 2,211,271.20 and 1,324,881.60 is: 1,985,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,347.20 : 2,211,271.20 = 1,324,881.60 : x
  2. Step 2: Convert to fraction form
    1,475,347.20/2,211,271.20 = 1,324,881.60/x
  3. Step 3: Cross multiply
    1,475,347.20x = 2,211,271.20 × 1,324,881.60
  4. Step 4: Simplify right side
    1,475,347.20x = 2,929,672,525,489.92
  5. Step 5: Solve for x
    x = 2,929,672,525,489.92/1,475,347.20
  6. Step 6: Final answer
    x = 1,985,751.24

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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.