Home / 1,704,165.20-2,556,247.80-862,607.60

Finding the Fourth Proportional to 1,704,165.20, 2,556,247.80 and 862,607.60

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Solution

The fourth proportional to 1,704,165.20, 2,556,247.80 and 862,607.60 is: 1,293,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,165.20 : 2,556,247.80 = 862,607.60 : x
  2. Step 2: Convert to fraction form
    1,704,165.20/2,556,247.80 = 862,607.60/x
  3. Step 3: Cross multiply
    1,704,165.20x = 2,556,247.80 × 862,607.60
  4. Step 4: Simplify right side
    1,704,165.20x = 2,205,038,779,763.28
  5. Step 5: Solve for x
    x = 2,205,038,779,763.28/1,704,165.20
  6. Step 6: Final answer
    x = 1,293,911.40

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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.