Home / 1,236,459.81-1,854,955.41-383,513.61

Finding the Fourth Proportional to 1,236,459.81, 1,854,955.41 and 383,513.61

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Solution

The fourth proportional to 1,236,459.81, 1,854,955.41 and 383,513.61 is: 575,352.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,459.81 : 1,854,955.41 = 383,513.61 : x
  2. Step 2: Convert to fraction form
    1,236,459.81/1,854,955.41 = 383,513.61/x
  3. Step 3: Cross multiply
    1,236,459.81x = 1,854,955.41 × 383,513.61
  4. Step 4: Simplify right side
    1,236,459.81x = 711,400,645,678.13
  5. Step 5: Solve for x
    x = 711,400,645,678.13/1,236,459.81
  6. Step 6: Final answer
    x = 575,352.83

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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.