Home / 1,236,380.16-1,854,836.55-383,434.59

Finding the Fourth Proportional to 1,236,380.16, 1,854,836.55 and 383,434.59

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Solution

The fourth proportional to 1,236,380.16, 1,854,836.55 and 383,434.59 is: 575,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,380.16 : 1,854,836.55 = 383,434.59 : x
  2. Step 2: Convert to fraction form
    1,236,380.16/1,854,836.55 = 383,434.59/x
  3. Step 3: Cross multiply
    1,236,380.16x = 1,854,836.55 × 383,434.59
  4. Step 4: Simplify right side
    1,236,380.16x = 711,208,492,066.27
  5. Step 5: Solve for x
    x = 711,208,492,066.27/1,236,380.16
  6. Step 6: Final answer
    x = 575,234.47

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1.5x scale

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.