Home / 715,561.46-987,080.37-581,192.18

Finding the Fourth Proportional to 715,561.46, 987,080.37 and 581,192.18

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Solution

The fourth proportional to 715,561.46, 987,080.37 and 581,192.18 is: 801,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,561.46 : 987,080.37 = 581,192.18 : x
  2. Step 2: Convert to fraction form
    715,561.46/987,080.37 = 581,192.18/x
  3. Step 3: Cross multiply
    715,561.46x = 987,080.37 × 581,192.18
  4. Step 4: Simplify right side
    715,561.46x = 573,683,392,075.51
  5. Step 5: Solve for x
    x = 573,683,392,075.51/715,561.46
  6. Step 6: Final answer
    x = 801,724.83

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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.