Home / 1,133,784.32-1,564,622.25-624,486.69

Finding the Fourth Proportional to 1,133,784.32, 1,564,622.25 and 624,486.69

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Solution

The fourth proportional to 1,133,784.32, 1,564,622.25 and 624,486.69 is: 861,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,784.32 : 1,564,622.25 = 624,486.69 : x
  2. Step 2: Convert to fraction form
    1,133,784.32/1,564,622.25 = 624,486.69/x
  3. Step 3: Cross multiply
    1,133,784.32x = 1,564,622.25 × 624,486.69
  4. Step 4: Simplify right side
    1,133,784.32x = 977,085,770,002.85
  5. Step 5: Solve for x
    x = 977,085,770,002.85/1,133,784.32
  6. Step 6: Final answer
    x = 861,791.57

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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.