Home / 437,799.24-652,346.60-390,047.31

Finding the Fourth Proportional to 437,799.24, 652,346.60 and 390,047.31

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Solution

The fourth proportional to 437,799.24, 652,346.60 and 390,047.31 is: 581,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,799.24 : 652,346.60 = 390,047.31 : x
  2. Step 2: Convert to fraction form
    437,799.24/652,346.60 = 390,047.31/x
  3. Step 3: Cross multiply
    437,799.24x = 652,346.60 × 390,047.31
  4. Step 4: Simplify right side
    437,799.24x = 254,446,034,567.41
  5. Step 5: Solve for x
    x = 254,446,034,567.41/437,799.24
  6. Step 6: Final answer
    x = 581,193.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.