Home / 1,236,326.70-1,854,756.38-383,381.20

Finding the Fourth Proportional to 1,236,326.70, 1,854,756.38 and 383,381.20

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Solution

The fourth proportional to 1,236,326.70, 1,854,756.38 and 383,381.20 is: 575,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,326.70 : 1,854,756.38 = 383,381.20 : x
  2. Step 2: Convert to fraction form
    1,236,326.70/1,854,756.38 = 383,381.20/x
  3. Step 3: Cross multiply
    1,236,326.70x = 1,854,756.38 × 383,381.20
  4. Step 4: Simplify right side
    1,236,326.70x = 711,078,726,672.06
  5. Step 5: Solve for x
    x = 711,078,726,672.06/1,236,326.70
  6. Step 6: Final answer
    x = 575,154.39

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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.