Home / 1,708,258.98-2,357,757.81-1,421,499.54

Finding the Fourth Proportional to 1,708,258.98, 2,357,757.81 and 1,421,499.54

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Solution

The fourth proportional to 1,708,258.98, 2,357,757.81 and 1,421,499.54 is: 1,961,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,258.98 : 2,357,757.81 = 1,421,499.54 : x
  2. Step 2: Convert to fraction form
    1,708,258.98/2,357,757.81 = 1,421,499.54/x
  3. Step 3: Cross multiply
    1,708,258.98x = 2,357,757.81 × 1,421,499.54
  4. Step 4: Simplify right side
    1,708,258.98x = 3,351,551,642,346.41
  5. Step 5: Solve for x
    x = 3,351,551,642,346.41/1,708,258.98
  6. Step 6: Final answer
    x = 1,961,969.28

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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.