Home / 1,445,193.52-1,994,698.80-961,779.04

Finding the Fourth Proportional to 1,445,193.52, 1,994,698.80 and 961,779.04

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Solution

The fourth proportional to 1,445,193.52, 1,994,698.80 and 961,779.04 is: 1,327,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,193.52 : 1,994,698.80 = 961,779.04 : x
  2. Step 2: Convert to fraction form
    1,445,193.52/1,994,698.80 = 961,779.04/x
  3. Step 3: Cross multiply
    1,445,193.52x = 1,994,698.80 × 961,779.04
  4. Step 4: Simplify right side
    1,445,193.52x = 1,918,459,496,953.15
  5. Step 5: Solve for x
    x = 1,918,459,496,953.15/1,445,193.52
  6. Step 6: Final answer
    x = 1,327,475.85

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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.