Home / 831,723.10-1,247,584.65-604,384.45

Finding the Fourth Proportional to 831,723.10, 1,247,584.65 and 604,384.45

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Solution

The fourth proportional to 831,723.10, 1,247,584.65 and 604,384.45 is: 906,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,723.10 : 1,247,584.65 = 604,384.45 : x
  2. Step 2: Convert to fraction form
    831,723.10/1,247,584.65 = 604,384.45/x
  3. Step 3: Cross multiply
    831,723.10x = 1,247,584.65 × 604,384.45
  4. Step 4: Simplify right side
    831,723.10x = 754,020,762,518.69
  5. Step 5: Solve for x
    x = 754,020,762,518.69/831,723.10
  6. Step 6: Final answer
    x = 906,576.68

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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.