Home / 1,156,654.37-1,596,232.93-640,408.28

Finding the Fourth Proportional to 1,156,654.37, 1,596,232.93 and 640,408.28

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Solution

The fourth proportional to 1,156,654.37, 1,596,232.93 and 640,408.28 is: 883,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,654.37 : 1,596,232.93 = 640,408.28 : x
  2. Step 2: Convert to fraction form
    1,156,654.37/1,596,232.93 = 640,408.28/x
  3. Step 3: Cross multiply
    1,156,654.37x = 1,596,232.93 × 640,408.28
  4. Step 4: Simplify right side
    1,156,654.37x = 1,022,240,779,823.50
  5. Step 5: Solve for x
    x = 1,022,240,779,823.50/1,156,654.37
  6. Step 6: Final answer
    x = 883,791.05

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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.