Home / 1,799,065.18-2,698,200.30-519,394.69

Finding the Fourth Proportional to 1,799,065.18, 2,698,200.30 and 519,394.69

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Solution

The fourth proportional to 1,799,065.18, 2,698,200.30 and 519,394.69 is: 778,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,065.18 : 2,698,200.30 = 519,394.69 : x
  2. Step 2: Convert to fraction form
    1,799,065.18/2,698,200.30 = 519,394.69/x
  3. Step 3: Cross multiply
    1,799,065.18x = 2,698,200.30 × 519,394.69
  4. Step 4: Simplify right side
    1,799,065.18x = 1,401,430,908,376.41
  5. Step 5: Solve for x
    x = 1,401,430,908,376.41/1,799,065.18
  6. Step 6: Final answer
    x = 778,977.28

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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.