Home / 554,109.39-831,211.20-174,928.68

Finding the Fourth Proportional to 554,109.39, 831,211.20 and 174,928.68

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Solution

The fourth proportional to 554,109.39, 831,211.20 and 174,928.68 is: 262,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,109.39 : 831,211.20 = 174,928.68 : x
  2. Step 2: Convert to fraction form
    554,109.39/831,211.20 = 174,928.68/x
  3. Step 3: Cross multiply
    554,109.39x = 831,211.20 × 174,928.68
  4. Step 4: Simplify right side
    554,109.39x = 145,402,678,017.22
  5. Step 5: Solve for x
    x = 145,402,678,017.22/554,109.39
  6. Step 6: Final answer
    x = 262,407.89

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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.