Home / 1,528,677.60-2,293,016.40-865,125.60

Finding the Fourth Proportional to 1,528,677.60, 2,293,016.40 and 865,125.60

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Solution

The fourth proportional to 1,528,677.60, 2,293,016.40 and 865,125.60 is: 1,297,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,677.60 : 2,293,016.40 = 865,125.60 : x
  2. Step 2: Convert to fraction form
    1,528,677.60/2,293,016.40 = 865,125.60/x
  3. Step 3: Cross multiply
    1,528,677.60x = 2,293,016.40 × 865,125.60
  4. Step 4: Simplify right side
    1,528,677.60x = 1,983,747,188,859.84
  5. Step 5: Solve for x
    x = 1,983,747,188,859.84/1,528,677.60
  6. Step 6: Final answer
    x = 1,297,688.40

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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.