Home / 714,670.08-1,071,841.40-426,563

Finding the Fourth Proportional to 714,670.08, 1,071,841.40 and 426,563

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Solution

The fourth proportional to 714,670.08, 1,071,841.40 and 426,563 is: 639,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,670.08 : 1,071,841.40 = 426,563 : x
  2. Step 2: Convert to fraction form
    714,670.08/1,071,841.40 = 426,563/x
  3. Step 3: Cross multiply
    714,670.08x = 1,071,841.40 × 426,563
  4. Step 4: Simplify right side
    714,670.08x = 457,207,883,108.20
  5. Step 5: Solve for x
    x = 457,207,883,108.20/714,670.08
  6. Step 6: Final answer
    x = 639,746.78

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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.