Home / 1,084,616.74-1,495,993.89-716,667.70

Finding the Fourth Proportional to 1,084,616.74, 1,495,993.89 and 716,667.70

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Solution

The fourth proportional to 1,084,616.74, 1,495,993.89 and 716,667.70 is: 988,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,616.74 : 1,495,993.89 = 716,667.70 : x
  2. Step 2: Convert to fraction form
    1,084,616.74/1,495,993.89 = 716,667.70/x
  3. Step 3: Cross multiply
    1,084,616.74x = 1,495,993.89 × 716,667.70
  4. Step 4: Simplify right side
    1,084,616.74x = 1,072,130,500,360.35
  5. Step 5: Solve for x
    x = 1,072,130,500,360.35/1,084,616.74
  6. Step 6: Final answer
    x = 988,487.88

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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.