Home / 435,237.38-653,040.59-210,765.07

Finding the Fourth Proportional to 435,237.38, 653,040.59 and 210,765.07

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Solution

The fourth proportional to 435,237.38, 653,040.59 and 210,765.07 is: 316,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,237.38 : 653,040.59 = 210,765.07 : x
  2. Step 2: Convert to fraction form
    435,237.38/653,040.59 = 210,765.07/x
  3. Step 3: Cross multiply
    435,237.38x = 653,040.59 × 210,765.07
  4. Step 4: Simplify right side
    435,237.38x = 137,638,142,977.77
  5. Step 5: Solve for x
    x = 137,638,142,977.77/435,237.38
  6. Step 6: Final answer
    x = 316,236.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.