Home / 831,376.03-1,147,332.94-525,340.73

Finding the Fourth Proportional to 831,376.03, 1,147,332.94 and 525,340.73

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Solution

The fourth proportional to 831,376.03, 1,147,332.94 and 525,340.73 is: 724,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,376.03 : 1,147,332.94 = 525,340.73 : x
  2. Step 2: Convert to fraction form
    831,376.03/1,147,332.94 = 525,340.73/x
  3. Step 3: Cross multiply
    831,376.03x = 1,147,332.94 × 525,340.73
  4. Step 4: Simplify right side
    831,376.03x = 602,740,721,625.94
  5. Step 5: Solve for x
    x = 602,740,721,625.94/831,376.03
  6. Step 6: Final answer
    x = 724,991.70

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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.