Home / 1,698,765.90-2,548,161.81-620,051.64

Finding the Fourth Proportional to 1,698,765.90, 2,548,161.81 and 620,051.64

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Solution

The fourth proportional to 1,698,765.90, 2,548,161.81 and 620,051.64 is: 930,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,765.90 : 2,548,161.81 = 620,051.64 : x
  2. Step 2: Convert to fraction form
    1,698,765.90/2,548,161.81 = 620,051.64/x
  3. Step 3: Cross multiply
    1,698,765.90x = 2,548,161.81 × 620,051.64
  4. Step 4: Simplify right side
    1,698,765.90x = 1,579,991,909,275.87
  5. Step 5: Solve for x
    x = 1,579,991,909,275.87/1,698,765.90
  6. Step 6: Final answer
    x = 930,082.19

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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.