Home / 1,406,843.64-1,941,441.51-762,281.28

Finding the Fourth Proportional to 1,406,843.64, 1,941,441.51 and 762,281.28

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Solution

The fourth proportional to 1,406,843.64, 1,941,441.51 and 762,281.28 is: 1,051,946.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,843.64 : 1,941,441.51 = 762,281.28 : x
  2. Step 2: Convert to fraction form
    1,406,843.64/1,941,441.51 = 762,281.28/x
  3. Step 3: Cross multiply
    1,406,843.64x = 1,941,441.51 × 762,281.28
  4. Step 4: Simplify right side
    1,406,843.64x = 1,479,924,519,287.93
  5. Step 5: Solve for x
    x = 1,479,924,519,287.93/1,406,843.64
  6. Step 6: Final answer
    x = 1,051,946.70

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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.