Home / 1,241,109.40-1,863,413.70-768,717.40

Finding the Fourth Proportional to 1,241,109.40, 1,863,413.70 and 768,717.40

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Solution

The fourth proportional to 1,241,109.40, 1,863,413.70 and 768,717.40 is: 1,154,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,109.40 : 1,863,413.70 = 768,717.40 : x
  2. Step 2: Convert to fraction form
    1,241,109.40/1,863,413.70 = 768,717.40/x
  3. Step 3: Cross multiply
    1,241,109.40x = 1,863,413.70 × 768,717.40
  4. Step 4: Simplify right side
    1,241,109.40x = 1,432,438,534,588.38
  5. Step 5: Solve for x
    x = 1,432,438,534,588.38/1,241,109.40
  6. Step 6: Final answer
    x = 1,154,159.77

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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.