Home / 882,113.88-1,216,797.72-554,905.46

Finding the Fourth Proportional to 882,113.88, 1,216,797.72 and 554,905.46

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Solution

The fourth proportional to 882,113.88, 1,216,797.72 and 554,905.46 is: 765,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,113.88 : 1,216,797.72 = 554,905.46 : x
  2. Step 2: Convert to fraction form
    882,113.88/1,216,797.72 = 554,905.46/x
  3. Step 3: Cross multiply
    882,113.88x = 1,216,797.72 × 554,905.46
  4. Step 4: Simplify right side
    882,113.88x = 675,207,698,543.55
  5. Step 5: Solve for x
    x = 675,207,698,543.55/882,113.88
  6. Step 6: Final answer
    x = 765,442.78

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1.5x scale

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.