Home / 1,130,190.96-1,559,751-646,907.76

Finding the Fourth Proportional to 1,130,190.96, 1,559,751 and 646,907.76

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Solution

The fourth proportional to 1,130,190.96, 1,559,751 and 646,907.76 is: 892,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,190.96 : 1,559,751 = 646,907.76 : x
  2. Step 2: Convert to fraction form
    1,130,190.96/1,559,751 = 646,907.76/x
  3. Step 3: Cross multiply
    1,130,190.96x = 1,559,751 × 646,907.76
  4. Step 4: Simplify right side
    1,130,190.96x = 1,009,015,025,567.76
  5. Step 5: Solve for x
    x = 1,009,015,025,567.76/1,130,190.96
  6. Step 6: Final answer
    x = 892,782.78

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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.