Home / 1,156,443.03-1,595,866.53-640,167.06

Finding the Fourth Proportional to 1,156,443.03, 1,595,866.53 and 640,167.06

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Solution

The fourth proportional to 1,156,443.03, 1,595,866.53 and 640,167.06 is: 883,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,443.03 : 1,595,866.53 = 640,167.06 : x
  2. Step 2: Convert to fraction form
    1,156,443.03/1,595,866.53 = 640,167.06/x
  3. Step 3: Cross multiply
    1,156,443.03x = 1,595,866.53 × 640,167.06
  4. Step 4: Simplify right side
    1,156,443.03x = 1,021,621,184,662.50
  5. Step 5: Solve for x
    x = 1,021,621,184,662.50/1,156,443.03
  6. Step 6: Final answer
    x = 883,416.79

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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.