Home / 714,665.08-1,071,833.92-426,558

Finding the Fourth Proportional to 714,665.08, 1,071,833.92 and 426,558

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Solution

The fourth proportional to 714,665.08, 1,071,833.92 and 426,558 is: 639,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,665.08 : 1,071,833.92 = 426,558 : x
  2. Step 2: Convert to fraction form
    714,665.08/1,071,833.92 = 426,558/x
  3. Step 3: Cross multiply
    714,665.08x = 1,071,833.92 × 426,558
  4. Step 4: Simplify right side
    714,665.08x = 457,199,333,247.36
  5. Step 5: Solve for x
    x = 457,199,333,247.36/714,665.08
  6. Step 6: Final answer
    x = 639,739.29

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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.