Home / 1,207,783.10-1,666,761.40-663,941.82

Finding the Fourth Proportional to 1,207,783.10, 1,666,761.40 and 663,941.82

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Solution

The fourth proportional to 1,207,783.10, 1,666,761.40 and 663,941.82 is: 916,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,783.10 : 1,666,761.40 = 663,941.82 : x
  2. Step 2: Convert to fraction form
    1,207,783.10/1,666,761.40 = 663,941.82/x
  3. Step 3: Cross multiply
    1,207,783.10x = 1,666,761.40 × 663,941.82
  4. Step 4: Simplify right side
    1,207,783.10x = 1,106,632,597,421.75
  5. Step 5: Solve for x
    x = 1,106,632,597,421.75/1,207,783.10
  6. Step 6: Final answer
    x = 916,251.10

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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.