Home / 1,430,155.44-1,973,400.60-818,211

Finding the Fourth Proportional to 1,430,155.44, 1,973,400.60 and 818,211

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Solution

The fourth proportional to 1,430,155.44, 1,973,400.60 and 818,211 is: 1,129,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,155.44 : 1,973,400.60 = 818,211 : x
  2. Step 2: Convert to fraction form
    1,430,155.44/1,973,400.60 = 818,211/x
  3. Step 3: Cross multiply
    1,430,155.44x = 1,973,400.60 × 818,211
  4. Step 4: Simplify right side
    1,430,155.44x = 1,614,658,078,326.60
  5. Step 5: Solve for x
    x = 1,614,658,078,326.60/1,430,155.44
  6. Step 6: Final answer
    x = 1,129,008.80

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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.