Home / 1,128,096.25-1,556,772.83-618,799.84

Finding the Fourth Proportional to 1,128,096.25, 1,556,772.83 and 618,799.84

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Solution

The fourth proportional to 1,128,096.25, 1,556,772.83 and 618,799.84 is: 853,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,096.25 : 1,556,772.83 = 618,799.84 : x
  2. Step 2: Convert to fraction form
    1,128,096.25/1,556,772.83 = 618,799.84/x
  3. Step 3: Cross multiply
    1,128,096.25x = 1,556,772.83 × 618,799.84
  4. Step 4: Simplify right side
    1,128,096.25x = 963,330,775,026.35
  5. Step 5: Solve for x
    x = 963,330,775,026.35/1,128,096.25
  6. Step 6: Final answer
    x = 853,943.78

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1.5x scale

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.