Home / 914,261.89-1,261,690.71-551,615.68

Finding the Fourth Proportional to 914,261.89, 1,261,690.71 and 551,615.68

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Solution

The fourth proportional to 914,261.89, 1,261,690.71 and 551,615.68 is: 761,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,261.89 : 1,261,690.71 = 551,615.68 : x
  2. Step 2: Convert to fraction form
    914,261.89/1,261,690.71 = 551,615.68/x
  3. Step 3: Cross multiply
    914,261.89x = 1,261,690.71 × 551,615.68
  4. Step 4: Simplify right side
    914,261.89x = 695,968,378,946.33
  5. Step 5: Solve for x
    x = 695,968,378,946.33/914,261.89
  6. Step 6: Final answer
    x = 761,235.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.