Home / 790,086.46-1,090,317.14-427,516.50

Finding the Fourth Proportional to 790,086.46, 1,090,317.14 and 427,516.50

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Solution

The fourth proportional to 790,086.46, 1,090,317.14 and 427,516.50 is: 589,971.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,086.46 : 1,090,317.14 = 427,516.50 : x
  2. Step 2: Convert to fraction form
    790,086.46/1,090,317.14 = 427,516.50/x
  3. Step 3: Cross multiply
    790,086.46x = 1,090,317.14 × 427,516.50
  4. Step 4: Simplify right side
    790,086.46x = 466,128,567,582.81
  5. Step 5: Solve for x
    x = 466,128,567,582.81/790,086.46
  6. Step 6: Final answer
    x = 589,971.59

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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.