Home / 575,974.20-863,260.86-407,543.06

Finding the Fourth Proportional to 575,974.20, 863,260.86 and 407,543.06

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Solution

The fourth proportional to 575,974.20, 863,260.86 and 407,543.06 is: 610,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,974.20 : 863,260.86 = 407,543.06 : x
  2. Step 2: Convert to fraction form
    575,974.20/863,260.86 = 407,543.06/x
  3. Step 3: Cross multiply
    575,974.20x = 863,260.86 × 407,543.06
  4. Step 4: Simplify right side
    575,974.20x = 351,815,972,462.63
  5. Step 5: Solve for x
    x = 351,815,972,462.63/575,974.20
  6. Step 6: Final answer
    x = 610,818.98

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1.5x scale

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.