Home / 1,920,732.90-2,881,245.15-572,790.30

Finding the Fourth Proportional to 1,920,732.90, 2,881,245.15 and 572,790.30

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Solution

The fourth proportional to 1,920,732.90, 2,881,245.15 and 572,790.30 is: 859,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,732.90 : 2,881,245.15 = 572,790.30 : x
  2. Step 2: Convert to fraction form
    1,920,732.90/2,881,245.15 = 572,790.30/x
  3. Step 3: Cross multiply
    1,920,732.90x = 2,881,245.15 × 572,790.30
  4. Step 4: Simplify right side
    1,920,732.90x = 1,650,349,273,842.05
  5. Step 5: Solve for x
    x = 1,650,349,273,842.05/1,920,732.90
  6. Step 6: Final answer
    x = 859,228.93

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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.