Home / 771,080.80-1,064,091.36-431,549.05

Finding the Fourth Proportional to 771,080.80, 1,064,091.36 and 431,549.05

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Solution

The fourth proportional to 771,080.80, 1,064,091.36 and 431,549.05 is: 595,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,080.80 : 1,064,091.36 = 431,549.05 : x
  2. Step 2: Convert to fraction form
    771,080.80/1,064,091.36 = 431,549.05/x
  3. Step 3: Cross multiply
    771,080.80x = 1,064,091.36 × 431,549.05
  4. Step 4: Simplify right side
    771,080.80x = 459,207,615,521.21
  5. Step 5: Solve for x
    x = 459,207,615,521.21/771,080.80
  6. Step 6: Final answer
    x = 595,537.61

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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.