Home / 1,298,518.04-1,793,103.91-809,322.45

Finding the Fourth Proportional to 1,298,518.04, 1,793,103.91 and 809,322.45

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Solution

The fourth proportional to 1,298,518.04, 1,793,103.91 and 809,322.45 is: 1,117,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,518.04 : 1,793,103.91 = 809,322.45 : x
  2. Step 2: Convert to fraction form
    1,298,518.04/1,793,103.91 = 809,322.45/x
  3. Step 3: Cross multiply
    1,298,518.04x = 1,793,103.91 × 809,322.45
  4. Step 4: Simplify right side
    1,298,518.04x = 1,451,199,240,798.33
  5. Step 5: Solve for x
    x = 1,451,199,240,798.33/1,298,518.04
  6. Step 6: Final answer
    x = 1,117,581.11

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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.