Home / 1,010,810.61-1,516,576.77-434,191.68

Finding the Fourth Proportional to 1,010,810.61, 1,516,576.77 and 434,191.68

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Solution

The fourth proportional to 1,010,810.61, 1,516,576.77 and 434,191.68 is: 651,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,810.61 : 1,516,576.77 = 434,191.68 : x
  2. Step 2: Convert to fraction form
    1,010,810.61/1,516,576.77 = 434,191.68/x
  3. Step 3: Cross multiply
    1,010,810.61x = 1,516,576.77 × 434,191.68
  4. Step 4: Simplify right side
    1,010,810.61x = 658,485,015,615.27
  5. Step 5: Solve for x
    x = 658,485,015,615.27/1,010,810.61
  6. Step 6: Final answer
    x = 651,442.52

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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.