Home / 1,293,284.65-1,784,872.03-712,566.16

Finding the Fourth Proportional to 1,293,284.65, 1,784,872.03 and 712,566.16

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Solution

The fourth proportional to 1,293,284.65, 1,784,872.03 and 712,566.16 is: 983,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,284.65 : 1,784,872.03 = 712,566.16 : x
  2. Step 2: Convert to fraction form
    1,293,284.65/1,784,872.03 = 712,566.16/x
  3. Step 3: Cross multiply
    1,293,284.65x = 1,784,872.03 × 712,566.16
  4. Step 4: Simplify right side
    1,293,284.65x = 1,271,839,415,644.97
  5. Step 5: Solve for x
    x = 1,271,839,415,644.97/1,293,284.65
  6. Step 6: Final answer
    x = 983,418.01

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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.