Home / 1,567,800.40-2,351,117.40-620,975.20

Finding the Fourth Proportional to 1,567,800.40, 2,351,117.40 and 620,975.20

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Solution

The fourth proportional to 1,567,800.40, 2,351,117.40 and 620,975.20 is: 931,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,800.40 : 2,351,117.40 = 620,975.20 : x
  2. Step 2: Convert to fraction form
    1,567,800.40/2,351,117.40 = 620,975.20/x
  3. Step 3: Cross multiply
    1,567,800.40x = 2,351,117.40 × 620,975.20
  4. Step 4: Simplify right side
    1,567,800.40x = 1,459,985,597,688.48
  5. Step 5: Solve for x
    x = 1,459,985,597,688.48/1,567,800.40
  6. Step 6: Final answer
    x = 931,231.81

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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.