Home / 447,145.14-670,717.59-260,025.42

Finding the Fourth Proportional to 447,145.14, 670,717.59 and 260,025.42

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Solution

The fourth proportional to 447,145.14, 670,717.59 and 260,025.42 is: 390,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,145.14 : 670,717.59 = 260,025.42 : x
  2. Step 2: Convert to fraction form
    447,145.14/670,717.59 = 260,025.42/x
  3. Step 3: Cross multiply
    447,145.14x = 670,717.59 × 260,025.42
  4. Step 4: Simplify right side
    447,145.14x = 174,403,623,041.14
  5. Step 5: Solve for x
    x = 174,403,623,041.14/447,145.14
  6. Step 6: Final answer
    x = 390,038.06

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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.