Home / 1,557,758.60-2,336,714.70-811,262.60

Finding the Fourth Proportional to 1,557,758.60, 2,336,714.70 and 811,262.60

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Solution

The fourth proportional to 1,557,758.60, 2,336,714.70 and 811,262.60 is: 1,216,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,758.60 : 2,336,714.70 = 811,262.60 : x
  2. Step 2: Convert to fraction form
    1,557,758.60/2,336,714.70 = 811,262.60/x
  3. Step 3: Cross multiply
    1,557,758.60x = 2,336,714.70 × 811,262.60
  4. Step 4: Simplify right side
    1,557,758.60x = 1,895,689,242,980.22
  5. Step 5: Solve for x
    x = 1,895,689,242,980.22/1,557,758.60
  6. Step 6: Final answer
    x = 1,216,933.90

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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.