Home / 1,173,756.39-1,619,790.56-690,341.91

Finding the Fourth Proportional to 1,173,756.39, 1,619,790.56 and 690,341.91

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Solution

The fourth proportional to 1,173,756.39, 1,619,790.56 and 690,341.91 is: 952,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,756.39 : 1,619,790.56 = 690,341.91 : x
  2. Step 2: Convert to fraction form
    1,173,756.39/1,619,790.56 = 690,341.91/x
  3. Step 3: Cross multiply
    1,173,756.39x = 1,619,790.56 × 690,341.91
  4. Step 4: Simplify right side
    1,173,756.39x = 1,118,209,305,538.66
  5. Step 5: Solve for x
    x = 1,118,209,305,538.66/1,173,756.39
  6. Step 6: Final answer
    x = 952,675.80

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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.