Home / 914,484.80-1,261,975.20-512,091.20

Finding the Fourth Proportional to 914,484.80, 1,261,975.20 and 512,091.20

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Solution

The fourth proportional to 914,484.80, 1,261,975.20 and 512,091.20 is: 706,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,484.80 : 1,261,975.20 = 512,091.20 : x
  2. Step 2: Convert to fraction form
    914,484.80/1,261,975.20 = 512,091.20/x
  3. Step 3: Cross multiply
    914,484.80x = 1,261,975.20 × 512,091.20
  4. Step 4: Simplify right side
    914,484.80x = 646,246,394,538.24
  5. Step 5: Solve for x
    x = 646,246,394,538.24/914,484.80
  6. Step 6: Final answer
    x = 706,678.11

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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.