Home / 1,678,620.20-2,316,423.44-953,465.66

Finding the Fourth Proportional to 1,678,620.20, 2,316,423.44 and 953,465.66

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Solution

The fourth proportional to 1,678,620.20, 2,316,423.44 and 953,465.66 is: 1,315,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,620.20 : 2,316,423.44 = 953,465.66 : x
  2. Step 2: Convert to fraction form
    1,678,620.20/2,316,423.44 = 953,465.66/x
  3. Step 3: Cross multiply
    1,678,620.20x = 2,316,423.44 × 953,465.66
  4. Step 4: Simplify right side
    1,678,620.20x = 2,208,630,204,059.07
  5. Step 5: Solve for x
    x = 2,208,630,204,059.07/1,678,620.20
  6. Step 6: Final answer
    x = 1,315,741.47

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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.