Home / 1,405,233.19-1,939,484.51-801,621.19

Finding the Fourth Proportional to 1,405,233.19, 1,939,484.51 and 801,621.19

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Solution

The fourth proportional to 1,405,233.19, 1,939,484.51 and 801,621.19 is: 1,106,387.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,233.19 : 1,939,484.51 = 801,621.19 : x
  2. Step 2: Convert to fraction form
    1,405,233.19/1,939,484.51 = 801,621.19/x
  3. Step 3: Cross multiply
    1,405,233.19x = 1,939,484.51 × 801,621.19
  4. Step 4: Simplify right side
    1,405,233.19x = 1,554,731,880,892.77
  5. Step 5: Solve for x
    x = 1,554,731,880,892.77/1,405,233.19
  6. Step 6: Final answer
    x = 1,106,387.10

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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.