Home / 1,199,276-1,655,001.05-683,077.98

Finding the Fourth Proportional to 1,199,276, 1,655,001.05 and 683,077.98

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Solution

The fourth proportional to 1,199,276, 1,655,001.05 and 683,077.98 is: 942,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,276 : 1,655,001.05 = 683,077.98 : x
  2. Step 2: Convert to fraction form
    1,199,276/1,655,001.05 = 683,077.98/x
  3. Step 3: Cross multiply
    1,199,276x = 1,655,001.05 × 683,077.98
  4. Step 4: Simplify right side
    1,199,276x = 1,130,494,774,131.88
  5. Step 5: Solve for x
    x = 1,130,494,774,131.88/1,199,276
  6. Step 6: Final answer
    x = 942,647.71

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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.