Home / 1,000,343.06-1,380,096.60-656,368.87

Finding the Fourth Proportional to 1,000,343.06, 1,380,096.60 and 656,368.87

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Solution

The fourth proportional to 1,000,343.06, 1,380,096.60 and 656,368.87 is: 905,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,343.06 : 1,380,096.60 = 656,368.87 : x
  2. Step 2: Convert to fraction form
    1,000,343.06/1,380,096.60 = 656,368.87/x
  3. Step 3: Cross multiply
    1,000,343.06x = 1,380,096.60 × 656,368.87
  4. Step 4: Simplify right side
    1,000,343.06x = 905,852,448,047.01
  5. Step 5: Solve for x
    x = 905,852,448,047.01/1,000,343.06
  6. Step 6: Final answer
    x = 905,541.79

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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.