Home / 1,260,808.16-1,739,907-716,944.04

Finding the Fourth Proportional to 1,260,808.16, 1,739,907 and 716,944.04

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Solution

The fourth proportional to 1,260,808.16, 1,739,907 and 716,944.04 is: 989,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,808.16 : 1,739,907 = 716,944.04 : x
  2. Step 2: Convert to fraction form
    1,260,808.16/1,739,907 = 716,944.04/x
  3. Step 3: Cross multiply
    1,260,808.16x = 1,739,907 × 716,944.04
  4. Step 4: Simplify right side
    1,260,808.16x = 1,247,415,953,804.28
  5. Step 5: Solve for x
    x = 1,247,415,953,804.28/1,260,808.16
  6. Step 6: Final answer
    x = 989,378.08

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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.