Home / 714,672.08-1,071,844.40-426,565

Finding the Fourth Proportional to 714,672.08, 1,071,844.40 and 426,565

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Solution

The fourth proportional to 714,672.08, 1,071,844.40 and 426,565 is: 639,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,672.08 : 1,071,844.40 = 426,565 : x
  2. Step 2: Convert to fraction form
    714,672.08/1,071,844.40 = 426,565/x
  3. Step 3: Cross multiply
    714,672.08x = 1,071,844.40 × 426,565
  4. Step 4: Simplify right side
    714,672.08x = 457,211,306,486.00
  5. Step 5: Solve for x
    x = 457,211,306,486.00/714,672.08
  6. Step 6: Final answer
    x = 639,749.78

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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.