Home / 1,108,826.28-1,529,830.98-678,657.96

Finding the Fourth Proportional to 1,108,826.28, 1,529,830.98 and 678,657.96

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Solution

The fourth proportional to 1,108,826.28, 1,529,830.98 and 678,657.96 is: 936,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,826.28 : 1,529,830.98 = 678,657.96 : x
  2. Step 2: Convert to fraction form
    1,108,826.28/1,529,830.98 = 678,657.96/x
  3. Step 3: Cross multiply
    1,108,826.28x = 1,529,830.98 × 678,657.96
  4. Step 4: Simplify right side
    1,108,826.28x = 1,038,231,972,031.60
  5. Step 5: Solve for x
    x = 1,038,231,972,031.60/1,108,826.28
  6. Step 6: Final answer
    x = 936,334.20

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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.