Home / 939,857.37-1,407,889.70-433,715.10

Finding the Fourth Proportional to 939,857.37, 1,407,889.70 and 433,715.10

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Solution

The fourth proportional to 939,857.37, 1,407,889.70 and 433,715.10 is: 649,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,857.37 : 1,407,889.70 = 433,715.10 : x
  2. Step 2: Convert to fraction form
    939,857.37/1,407,889.70 = 433,715.10/x
  3. Step 3: Cross multiply
    939,857.37x = 1,407,889.70 × 433,715.10
  4. Step 4: Simplify right side
    939,857.37x = 610,623,022,024.47
  5. Step 5: Solve for x
    x = 610,623,022,024.47/939,857.37
  6. Step 6: Final answer
    x = 649,697.54

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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.