Home / 1,115,426.16-1,539,285.12-606,128.64

Finding the Fourth Proportional to 1,115,426.16, 1,539,285.12 and 606,128.64

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Solution

The fourth proportional to 1,115,426.16, 1,539,285.12 and 606,128.64 is: 836,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,426.16 : 1,539,285.12 = 606,128.64 : x
  2. Step 2: Convert to fraction form
    1,115,426.16/1,539,285.12 = 606,128.64/x
  3. Step 3: Cross multiply
    1,115,426.16x = 1,539,285.12 × 606,128.64
  4. Step 4: Simplify right side
    1,115,426.16x = 933,004,796,357.84
  5. Step 5: Solve for x
    x = 933,004,796,357.84/1,115,426.16
  6. Step 6: Final answer
    x = 836,455.90

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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.