Home / 1,385,536.96-1,911,895.04-804,646.72

Finding the Fourth Proportional to 1,385,536.96, 1,911,895.04 and 804,646.72

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Solution

The fourth proportional to 1,385,536.96, 1,911,895.04 and 804,646.72 is: 1,110,327.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,536.96 : 1,911,895.04 = 804,646.72 : x
  2. Step 2: Convert to fraction form
    1,385,536.96/1,911,895.04 = 804,646.72/x
  3. Step 3: Cross multiply
    1,385,536.96x = 1,911,895.04 × 804,646.72
  4. Step 4: Simplify right side
    1,385,536.96x = 1,538,400,072,920.27
  5. Step 5: Solve for x
    x = 1,538,400,072,920.27/1,385,536.96
  6. Step 6: Final answer
    x = 1,110,327.70

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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.