Home / 437,977.80-656,966.70-435,025.35

Finding the Fourth Proportional to 437,977.80, 656,966.70 and 435,025.35

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Solution

The fourth proportional to 437,977.80, 656,966.70 and 435,025.35 is: 652,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,977.80 : 656,966.70 = 435,025.35 : x
  2. Step 2: Convert to fraction form
    437,977.80/656,966.70 = 435,025.35/x
  3. Step 3: Cross multiply
    437,977.80x = 656,966.70 × 435,025.35
  4. Step 4: Simplify right side
    437,977.80x = 285,797,168,605.85
  5. Step 5: Solve for x
    x = 285,797,168,605.85/437,977.80
  6. Step 6: Final answer
    x = 652,538.03

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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.