Home / 891,914.22-1,230,802.29-509,966.01

Finding the Fourth Proportional to 891,914.22, 1,230,802.29 and 509,966.01

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Solution

The fourth proportional to 891,914.22, 1,230,802.29 and 509,966.01 is: 703,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,914.22 : 1,230,802.29 = 509,966.01 : x
  2. Step 2: Convert to fraction form
    891,914.22/1,230,802.29 = 509,966.01/x
  3. Step 3: Cross multiply
    891,914.22x = 1,230,802.29 × 509,966.01
  4. Step 4: Simplify right side
    891,914.22x = 627,667,332,930.16
  5. Step 5: Solve for x
    x = 627,667,332,930.16/891,914.22
  6. Step 6: Final answer
    x = 703,730.60

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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.