Home / 1,028,461.50-1,419,657.68-620,580.53

Finding the Fourth Proportional to 1,028,461.50, 1,419,657.68 and 620,580.53

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Solution

The fourth proportional to 1,028,461.50, 1,419,657.68 and 620,580.53 is: 856,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,461.50 : 1,419,657.68 = 620,580.53 : x
  2. Step 2: Convert to fraction form
    1,028,461.50/1,419,657.68 = 620,580.53/x
  3. Step 3: Cross multiply
    1,028,461.50x = 1,419,657.68 × 620,580.53
  4. Step 4: Simplify right side
    1,028,461.50x = 881,011,920,573.57
  5. Step 5: Solve for x
    x = 881,011,920,573.57/1,028,461.50
  6. Step 6: Final answer
    x = 856,630.92

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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.