Home / 1,111,091.76-1,533,401-627,745.68

Finding the Fourth Proportional to 1,111,091.76, 1,533,401 and 627,745.68

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Solution

The fourth proportional to 1,111,091.76, 1,533,401 and 627,745.68 is: 866,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,091.76 : 1,533,401 = 627,745.68 : x
  2. Step 2: Convert to fraction form
    1,111,091.76/1,533,401 = 627,745.68/x
  3. Step 3: Cross multiply
    1,111,091.76x = 1,533,401 × 627,745.68
  4. Step 4: Simplify right side
    1,111,091.76x = 962,585,853,457.68
  5. Step 5: Solve for x
    x = 962,585,853,457.68/1,111,091.76
  6. Step 6: Final answer
    x = 866,342.36

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Half scale
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Double scale
Find fourth proportional to 1,111,092.76, 1,533,402.38 and 627,746.68
Similar ratio
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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.