Home / 1,089,430.20-1,634,145.30-529,558.20

Finding the Fourth Proportional to 1,089,430.20, 1,634,145.30 and 529,558.20

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Solution

The fourth proportional to 1,089,430.20, 1,634,145.30 and 529,558.20 is: 794,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,430.20 : 1,634,145.30 = 529,558.20 : x
  2. Step 2: Convert to fraction form
    1,089,430.20/1,634,145.30 = 529,558.20/x
  3. Step 3: Cross multiply
    1,089,430.20x = 1,634,145.30 × 529,558.20
  4. Step 4: Simplify right side
    1,089,430.20x = 865,375,043,606.46
  5. Step 5: Solve for x
    x = 865,375,043,606.46/1,089,430.20
  6. Step 6: Final answer
    x = 794,337.30

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Double scale
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Similar ratio
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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.