Home / 5,781,278-8,712,549.26-5,205,605.60

Finding the Fourth Proportional to 5,781,278, 8,712,549.26 and 5,205,605.60

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Solution

The fourth proportional to 5,781,278, 8,712,549.26 and 5,205,605.60 is: 7,844,994.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,278 : 8,712,549.26 = 5,205,605.60 : x
  2. Step 2: Convert to fraction form
    5,781,278/8,712,549.26 = 5,205,605.60/x
  3. Step 3: Cross multiply
    5,781,278x = 8,712,549.26 × 5,205,605.60
  4. Step 4: Simplify right side
    5,781,278x = 45,354,095,218,131.85
  5. Step 5: Solve for x
    x = 45,354,095,218,131.85/5,781,278
  6. Step 6: Final answer
    x = 7,844,994.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.