Home / 993,430.04-1,371,050.17-557,918.96

Finding the Fourth Proportional to 993,430.04, 1,371,050.17 and 557,918.96

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Solution

The fourth proportional to 993,430.04, 1,371,050.17 and 557,918.96 is: 769,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,430.04 : 1,371,050.17 = 557,918.96 : x
  2. Step 2: Convert to fraction form
    993,430.04/1,371,050.17 = 557,918.96/x
  3. Step 3: Cross multiply
    993,430.04x = 1,371,050.17 × 557,918.96
  4. Step 4: Simplify right side
    993,430.04x = 764,934,884,954.22
  5. Step 5: Solve for x
    x = 764,934,884,954.22/993,430.04
  6. Step 6: Final answer
    x = 769,993.71

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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.