Home / 1,021,963.16-1,410,310.56-556,814.72

Finding the Fourth Proportional to 1,021,963.16, 1,410,310.56 and 556,814.72

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Solution

The fourth proportional to 1,021,963.16, 1,410,310.56 and 556,814.72 is: 768,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,963.16 : 1,410,310.56 = 556,814.72 : x
  2. Step 2: Convert to fraction form
    1,021,963.16/1,410,310.56 = 556,814.72/x
  3. Step 3: Cross multiply
    1,021,963.16x = 1,410,310.56 × 556,814.72
  4. Step 4: Simplify right side
    1,021,963.16x = 785,281,679,579.44
  5. Step 5: Solve for x
    x = 785,281,679,579.44/1,021,963.16
  6. Step 6: Final answer
    x = 768,405.08

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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.