Home / 1,183,210.80-1,775,010.60-509,614.80

Finding the Fourth Proportional to 1,183,210.80, 1,775,010.60 and 509,614.80

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Solution

The fourth proportional to 1,183,210.80, 1,775,010.60 and 509,614.80 is: 764,505.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,210.80 : 1,775,010.60 = 509,614.80 : x
  2. Step 2: Convert to fraction form
    1,183,210.80/1,775,010.60 = 509,614.80/x
  3. Step 3: Cross multiply
    1,183,210.80x = 1,775,010.60 × 509,614.80
  4. Step 4: Simplify right side
    1,183,210.80x = 904,571,671,916.88
  5. Step 5: Solve for x
    x = 904,571,671,916.88/1,183,210.80
  6. Step 6: Final answer
    x = 764,505.93

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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.