Home / 1,968,497.73-2,953,064.64-831,430.89

Finding the Fourth Proportional to 1,968,497.73, 2,953,064.64 and 831,430.89

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Solution

The fourth proportional to 1,968,497.73, 2,953,064.64 and 831,430.89 is: 1,247,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968,497.73 : 2,953,064.64 = 831,430.89 : x
  2. Step 2: Convert to fraction form
    1,968,497.73/2,953,064.64 = 831,430.89/x
  3. Step 3: Cross multiply
    1,968,497.73x = 2,953,064.64 × 831,430.89
  4. Step 4: Simplify right side
    1,968,497.73x = 2,455,269,161,862.73
  5. Step 5: Solve for x
    x = 2,455,269,161,862.73/1,968,497.73
  6. Step 6: Final answer
    x = 1,247,280.67

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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.