Home / 927,812.00-1,389,355.43-611,309.36

Finding the Fourth Proportional to 927,812.00, 1,389,355.43 and 611,309.36

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Solution

The fourth proportional to 927,812.00, 1,389,355.43 and 611,309.36 is: 915,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,812.00 : 1,389,355.43 = 611,309.36 : x
  2. Step 2: Convert to fraction form
    927,812.00/1,389,355.43 = 611,309.36/x
  3. Step 3: Cross multiply
    927,812.00x = 1,389,355.43 × 611,309.36
  4. Step 4: Simplify right side
    927,812.00x = 849,325,968,722.50
  5. Step 5: Solve for x
    x = 849,325,968,722.50/927,812.00
  6. Step 6: Final answer
    x = 915,407.40

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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.