Home / 1,385,570.77-1,911,543.64-804,695.02

Finding the Fourth Proportional to 1,385,570.77, 1,911,543.64 and 804,695.02

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Solution

The fourth proportional to 1,385,570.77, 1,911,543.64 and 804,695.02 is: 1,110,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,570.77 : 1,911,543.64 = 804,695.02 : x
  2. Step 2: Convert to fraction form
    1,385,570.77/1,911,543.64 = 804,695.02/x
  3. Step 3: Cross multiply
    1,385,570.77x = 1,911,543.64 × 804,695.02
  4. Step 4: Simplify right side
    1,385,570.77x = 1,538,209,647,620.67
  5. Step 5: Solve for x
    x = 1,538,209,647,620.67/1,385,570.77
  6. Step 6: Final answer
    x = 1,110,163.18

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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.