Home / 1,147,015.28-1,582,855.02-623,714.45

Finding the Fourth Proportional to 1,147,015.28, 1,582,855.02 and 623,714.45

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Solution

The fourth proportional to 1,147,015.28, 1,582,855.02 and 623,714.45 is: 860,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,015.28 : 1,582,855.02 = 623,714.45 : x
  2. Step 2: Convert to fraction form
    1,147,015.28/1,582,855.02 = 623,714.45/x
  3. Step 3: Cross multiply
    1,147,015.28x = 1,582,855.02 × 623,714.45
  4. Step 4: Simplify right side
    1,147,015.28x = 987,249,540,314.76
  5. Step 5: Solve for x
    x = 987,249,540,314.76/1,147,015.28
  6. Step 6: Final answer
    x = 860,711.76

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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.