Home / 320,004.40-441,603.28-176,774.44

Finding the Fourth Proportional to 320,004.40, 441,603.28 and 176,774.44

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Solution

The fourth proportional to 320,004.40, 441,603.28 and 176,774.44 is: 243,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,004.40 : 441,603.28 = 176,774.44 : x
  2. Step 2: Convert to fraction form
    320,004.40/441,603.28 = 176,774.44/x
  3. Step 3: Cross multiply
    320,004.40x = 441,603.28 × 176,774.44
  4. Step 4: Simplify right side
    320,004.40x = 78,064,172,524.16
  5. Step 5: Solve for x
    x = 78,064,172,524.16/320,004.40
  6. Step 6: Final answer
    x = 243,947.18

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1.5x scale

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.