Home / 1,900,547.20-2,850,225.12-620,863

Finding the Fourth Proportional to 1,900,547.20, 2,850,225.12 and 620,863

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Solution

The fourth proportional to 1,900,547.20, 2,850,225.12 and 620,863 is: 931,099.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,547.20 : 2,850,225.12 = 620,863 : x
  2. Step 2: Convert to fraction form
    1,900,547.20/2,850,225.12 = 620,863/x
  3. Step 3: Cross multiply
    1,900,547.20x = 2,850,225.12 × 620,863
  4. Step 4: Simplify right side
    1,900,547.20x = 1,769,599,318,678.56
  5. Step 5: Solve for x
    x = 1,769,599,318,678.56/1,900,547.20
  6. Step 6: Final answer
    x = 931,099.91

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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.