Home / 1,257,055.61-1,734,776.09-713,214.32

Finding the Fourth Proportional to 1,257,055.61, 1,734,776.09 and 713,214.32

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Solution

The fourth proportional to 1,257,055.61, 1,734,776.09 and 713,214.32 is: 984,258.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,055.61 : 1,734,776.09 = 713,214.32 : x
  2. Step 2: Convert to fraction form
    1,257,055.61/1,734,776.09 = 713,214.32/x
  3. Step 3: Cross multiply
    1,257,055.61x = 1,734,776.09 × 713,214.32
  4. Step 4: Simplify right side
    1,257,055.61x = 1,237,267,139,816.21
  5. Step 5: Solve for x
    x = 1,237,267,139,816.21/1,257,055.61
  6. Step 6: Final answer
    x = 984,258.08

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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.