Home / 1,678,647.60-2,520,595.80-970,059.60

Finding the Fourth Proportional to 1,678,647.60, 2,520,595.80 and 970,059.60

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Solution

The fourth proportional to 1,678,647.60, 2,520,595.80 and 970,059.60 is: 1,456,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,647.60 : 2,520,595.80 = 970,059.60 : x
  2. Step 2: Convert to fraction form
    1,678,647.60/2,520,595.80 = 970,059.60/x
  3. Step 3: Cross multiply
    1,678,647.60x = 2,520,595.80 × 970,059.60
  4. Step 4: Simplify right side
    1,678,647.60x = 2,445,128,153,509.68
  5. Step 5: Solve for x
    x = 2,445,128,153,509.68/1,678,647.60
  6. Step 6: Final answer
    x = 1,456,605.99

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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.