Home / 974,731.78-1,462,097.67-642,230.02

Finding the Fourth Proportional to 974,731.78, 1,462,097.67 and 642,230.02

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Solution

The fourth proportional to 974,731.78, 1,462,097.67 and 642,230.02 is: 963,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,731.78 : 1,462,097.67 = 642,230.02 : x
  2. Step 2: Convert to fraction form
    974,731.78/1,462,097.67 = 642,230.02/x
  3. Step 3: Cross multiply
    974,731.78x = 1,462,097.67 × 642,230.02
  4. Step 4: Simplify right side
    974,731.78x = 939,003,015,846.05
  5. Step 5: Solve for x
    x = 939,003,015,846.05/974,731.78
  6. Step 6: Final answer
    x = 963,345.03

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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.