Home / 831,730.85-1,147,020.50-525,273.83

Finding the Fourth Proportional to 831,730.85, 1,147,020.50 and 525,273.83

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Solution

The fourth proportional to 831,730.85, 1,147,020.50 and 525,273.83 is: 724,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,730.85 : 1,147,020.50 = 525,273.83 : x
  2. Step 2: Convert to fraction form
    831,730.85/1,147,020.50 = 525,273.83/x
  3. Step 3: Cross multiply
    831,730.85x = 1,147,020.50 × 525,273.83
  4. Step 4: Simplify right side
    831,730.85x = 602,499,848,048.26
  5. Step 5: Solve for x
    x = 602,499,848,048.26/831,730.85
  6. Step 6: Final answer
    x = 724,392.81

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1.5x scale

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.