Home / 434,484.40-651,771.66-118,941.28

Finding the Fourth Proportional to 434,484.40, 651,771.66 and 118,941.28

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Solution

The fourth proportional to 434,484.40, 651,771.66 and 118,941.28 is: 178,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484.40 : 651,771.66 = 118,941.28 : x
  2. Step 2: Convert to fraction form
    434,484.40/651,771.66 = 118,941.28/x
  3. Step 3: Cross multiply
    434,484.40x = 651,771.66 × 118,941.28
  4. Step 4: Simplify right side
    434,484.40x = 77,522,555,508.12
  5. Step 5: Solve for x
    x = 77,522,555,508.12/434,484.40
  6. Step 6: Final answer
    x = 178,424.26

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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.