Home / 545,895.18-753,338.43-316,588.50

Finding the Fourth Proportional to 545,895.18, 753,338.43 and 316,588.50

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Solution

The fourth proportional to 545,895.18, 753,338.43 and 316,588.50 is: 436,893.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,895.18 : 753,338.43 = 316,588.50 : x
  2. Step 2: Convert to fraction form
    545,895.18/753,338.43 = 316,588.50/x
  3. Step 3: Cross multiply
    545,895.18x = 753,338.43 × 316,588.50
  4. Step 4: Simplify right side
    545,895.18x = 238,498,283,546.06
  5. Step 5: Solve for x
    x = 238,498,283,546.06/545,895.18
  6. Step 6: Final answer
    x = 436,893.92

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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.