Home / 973,104.20-1,459,656.30-917,991.80

Finding the Fourth Proportional to 973,104.20, 1,459,656.30 and 917,991.80

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Solution

The fourth proportional to 973,104.20, 1,459,656.30 and 917,991.80 is: 1,376,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,104.20 : 1,459,656.30 = 917,991.80 : x
  2. Step 2: Convert to fraction form
    973,104.20/1,459,656.30 = 917,991.80/x
  3. Step 3: Cross multiply
    973,104.20x = 1,459,656.30 × 917,991.80
  4. Step 4: Simplify right side
    973,104.20x = 1,339,952,514,218.34
  5. Step 5: Solve for x
    x = 1,339,952,514,218.34/973,104.20
  6. Step 6: Final answer
    x = 1,376,987.70

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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.