Home / 1,124,419.34-1,551,735.38-615,121.72

Finding the Fourth Proportional to 1,124,419.34, 1,551,735.38 and 615,121.72

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Solution

The fourth proportional to 1,124,419.34, 1,551,735.38 and 615,121.72 is: 848,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,419.34 : 1,551,735.38 = 615,121.72 : x
  2. Step 2: Convert to fraction form
    1,124,419.34/1,551,735.38 = 615,121.72/x
  3. Step 3: Cross multiply
    1,124,419.34x = 1,551,735.38 × 615,121.72
  4. Step 4: Simplify right side
    1,124,419.34x = 954,506,135,930.45
  5. Step 5: Solve for x
    x = 954,506,135,930.45/1,124,419.34
  6. Step 6: Final answer
    x = 848,888.05

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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.