Home / 1,314,113.34-1,971,413.34-415,781.22

Finding the Fourth Proportional to 1,314,113.34, 1,971,413.34 and 415,781.22

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Solution

The fourth proportional to 1,314,113.34, 1,971,413.34 and 415,781.22 is: 623,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,113.34 : 1,971,413.34 = 415,781.22 : x
  2. Step 2: Convert to fraction form
    1,314,113.34/1,971,413.34 = 415,781.22/x
  3. Step 3: Cross multiply
    1,314,113.34x = 1,971,413.34 × 415,781.22
  4. Step 4: Simplify right side
    1,314,113.34x = 819,676,643,629.48
  5. Step 5: Solve for x
    x = 819,676,643,629.48/1,314,113.34
  6. Step 6: Final answer
    x = 623,748.82

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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.