Home / 1,236,326.95-1,854,756.75-383,381.45

Finding the Fourth Proportional to 1,236,326.95, 1,854,756.75 and 383,381.45

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Solution

The fourth proportional to 1,236,326.95, 1,854,756.75 and 383,381.45 is: 575,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,326.95 : 1,854,756.75 = 383,381.45 : x
  2. Step 2: Convert to fraction form
    1,236,326.95/1,854,756.75 = 383,381.45/x
  3. Step 3: Cross multiply
    1,236,326.95x = 1,854,756.75 × 383,381.45
  4. Step 4: Simplify right side
    1,236,326.95x = 711,079,332,212.29
  5. Step 5: Solve for x
    x = 711,079,332,212.29/1,236,326.95
  6. Step 6: Final answer
    x = 575,154.76

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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.