Home / 939,338.20-1,407,852.60-433,196.56

Finding the Fourth Proportional to 939,338.20, 1,407,852.60 and 433,196.56

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Solution

The fourth proportional to 939,338.20, 1,407,852.60 and 433,196.56 is: 649,262.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,338.20 : 1,407,852.60 = 433,196.56 : x
  2. Step 2: Convert to fraction form
    939,338.20/1,407,852.60 = 433,196.56/x
  3. Step 3: Cross multiply
    939,338.20x = 1,407,852.60 × 433,196.56
  4. Step 4: Simplify right side
    939,338.20x = 609,876,903,307.06
  5. Step 5: Solve for x
    x = 609,876,903,307.06/939,338.20
  6. Step 6: Final answer
    x = 649,262.32

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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.