Home / 1,128,096.75-1,556,773.52-618,800.34

Finding the Fourth Proportional to 1,128,096.75, 1,556,773.52 and 618,800.34

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Solution

The fourth proportional to 1,128,096.75, 1,556,773.52 and 618,800.34 is: 853,944.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,096.75 : 1,556,773.52 = 618,800.34 : x
  2. Step 2: Convert to fraction form
    1,128,096.75/1,556,773.52 = 618,800.34/x
  3. Step 3: Cross multiply
    1,128,096.75x = 1,556,773.52 × 618,800.34
  4. Step 4: Simplify right side
    1,128,096.75x = 963,331,983,479.00
  5. Step 5: Solve for x
    x = 963,331,983,479.00/1,128,096.75
  6. Step 6: Final answer
    x = 853,944.47

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Double scale
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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.