Home / 1,089,041.40-1,632,395.70-414,862.20

Finding the Fourth Proportional to 1,089,041.40, 1,632,395.70 and 414,862.20

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Solution

The fourth proportional to 1,089,041.40, 1,632,395.70 and 414,862.20 is: 621,848.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,041.40 : 1,632,395.70 = 414,862.20 : x
  2. Step 2: Convert to fraction form
    1,089,041.40/1,632,395.70 = 414,862.20/x
  3. Step 3: Cross multiply
    1,089,041.40x = 1,632,395.70 × 414,862.20
  4. Step 4: Simplify right side
    1,089,041.40x = 677,219,271,372.54
  5. Step 5: Solve for x
    x = 677,219,271,372.54/1,089,041.40
  6. Step 6: Final answer
    x = 621,848.97

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.