Home / 1,018,857.28-1,406,054.66-559,963.56

Finding the Fourth Proportional to 1,018,857.28, 1,406,054.66 and 559,963.56

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Solution

The fourth proportional to 1,018,857.28, 1,406,054.66 and 559,963.56 is: 772,767.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,857.28 : 1,406,054.66 = 559,963.56 : x
  2. Step 2: Convert to fraction form
    1,018,857.28/1,406,054.66 = 559,963.56/x
  3. Step 3: Cross multiply
    1,018,857.28x = 1,406,054.66 × 559,963.56
  4. Step 4: Simplify right side
    1,018,857.28x = 787,339,372,968.19
  5. Step 5: Solve for x
    x = 787,339,372,968.19/1,018,857.28
  6. Step 6: Final answer
    x = 772,767.09

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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.