Home / 993,290.16-1,370,884.92-557,756.40

Finding the Fourth Proportional to 993,290.16, 1,370,884.92 and 557,756.40

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Solution

The fourth proportional to 993,290.16, 1,370,884.92 and 557,756.40 is: 769,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,290.16 : 1,370,884.92 = 557,756.40 : x
  2. Step 2: Convert to fraction form
    993,290.16/1,370,884.92 = 557,756.40/x
  3. Step 3: Cross multiply
    993,290.16x = 1,370,884.92 × 557,756.40
  4. Step 4: Simplify right side
    993,290.16x = 764,619,837,793.49
  5. Step 5: Solve for x
    x = 764,619,837,793.49/993,290.16
  6. Step 6: Final answer
    x = 769,784.97

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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.