Home / 841,779.90-1,262,856.42-242,694.32

Finding the Fourth Proportional to 841,779.90, 1,262,856.42 and 242,694.32

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Solution

The fourth proportional to 841,779.90, 1,262,856.42 and 242,694.32 is: 364,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,779.90 : 1,262,856.42 = 242,694.32 : x
  2. Step 2: Convert to fraction form
    841,779.90/1,262,856.42 = 242,694.32/x
  3. Step 3: Cross multiply
    841,779.90x = 1,262,856.42 × 242,694.32
  4. Step 4: Simplify right side
    841,779.90x = 306,488,080,109.53
  5. Step 5: Solve for x
    x = 306,488,080,109.53/841,779.90
  6. Step 6: Final answer
    x = 364,095.27

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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.