Home / 972,709.10-1,459,116.85-404,147.69

Finding the Fourth Proportional to 972,709.10, 1,459,116.85 and 404,147.69

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Solution

The fourth proportional to 972,709.10, 1,459,116.85 and 404,147.69 is: 606,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,709.10 : 1,459,116.85 = 404,147.69 : x
  2. Step 2: Convert to fraction form
    972,709.10/1,459,116.85 = 404,147.69/x
  3. Step 3: Cross multiply
    972,709.10x = 1,459,116.85 × 404,147.69
  4. Step 4: Simplify right side
    972,709.10x = 589,698,704,367.58
  5. Step 5: Solve for x
    x = 589,698,704,367.58/972,709.10
  6. Step 6: Final answer
    x = 606,243.64

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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.