Home / 865,814.85-1,194,826.12-483,841.63

Finding the Fourth Proportional to 865,814.85, 1,194,826.12 and 483,841.63

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Solution

The fourth proportional to 865,814.85, 1,194,826.12 and 483,841.63 is: 667,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,814.85 : 1,194,826.12 = 483,841.63 : x
  2. Step 2: Convert to fraction form
    865,814.85/1,194,826.12 = 483,841.63/x
  3. Step 3: Cross multiply
    865,814.85x = 1,194,826.12 × 483,841.63
  4. Step 4: Simplify right side
    865,814.85x = 578,106,615,048.17
  5. Step 5: Solve for x
    x = 578,106,615,048.17/865,814.85
  6. Step 6: Final answer
    x = 667,702.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.