Home / 1,643,577.18-2,268,094.26-918,430.85

Finding the Fourth Proportional to 1,643,577.18, 2,268,094.26 and 918,430.85

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Solution

The fourth proportional to 1,643,577.18, 2,268,094.26 and 918,430.85 is: 1,267,410.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,577.18 : 2,268,094.26 = 918,430.85 : x
  2. Step 2: Convert to fraction form
    1,643,577.18/2,268,094.26 = 918,430.85/x
  3. Step 3: Cross multiply
    1,643,577.18x = 2,268,094.26 × 918,430.85
  4. Step 4: Simplify right side
    1,643,577.18x = 2,083,087,727,751.45
  5. Step 5: Solve for x
    x = 2,083,087,727,751.45/1,643,577.18
  6. Step 6: Final answer
    x = 1,267,410.96

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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.