Home / 1,890,256.32-2,834,531.55-542,109.42

Finding the Fourth Proportional to 1,890,256.32, 2,834,531.55 and 542,109.42

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Solution

The fourth proportional to 1,890,256.32, 2,834,531.55 and 542,109.42 is: 812,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,256.32 : 2,834,531.55 = 542,109.42 : x
  2. Step 2: Convert to fraction form
    1,890,256.32/2,834,531.55 = 542,109.42/x
  3. Step 3: Cross multiply
    1,890,256.32x = 2,834,531.55 × 542,109.42
  4. Step 4: Simplify right side
    1,890,256.32x = 1,536,626,254,542.20
  5. Step 5: Solve for x
    x = 1,536,626,254,542.20/1,890,256.32
  6. Step 6: Final answer
    x = 812,919.52

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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.