Home / 1,207,783.96-1,666,762.59-663,942.67

Finding the Fourth Proportional to 1,207,783.96, 1,666,762.59 and 663,942.67

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Solution

The fourth proportional to 1,207,783.96, 1,666,762.59 and 663,942.67 is: 916,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,783.96 : 1,666,762.59 = 663,942.67 : x
  2. Step 2: Convert to fraction form
    1,207,783.96/1,666,762.59 = 663,942.67/x
  3. Step 3: Cross multiply
    1,207,783.96x = 1,666,762.59 × 663,942.67
  4. Step 4: Simplify right side
    1,207,783.96x = 1,106,634,804,260.72
  5. Step 5: Solve for x
    x = 1,106,634,804,260.72/1,207,783.96
  6. Step 6: Final answer
    x = 916,252.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.