Home / 1,026,416.32-1,539,710.64-378,169

Finding the Fourth Proportional to 1,026,416.32, 1,539,710.64 and 378,169

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Solution

The fourth proportional to 1,026,416.32, 1,539,710.64 and 378,169 is: 567,285.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,416.32 : 1,539,710.64 = 378,169 : x
  2. Step 2: Convert to fraction form
    1,026,416.32/1,539,710.64 = 378,169/x
  3. Step 3: Cross multiply
    1,026,416.32x = 1,539,710.64 × 378,169
  4. Step 4: Simplify right side
    1,026,416.32x = 582,270,833,018.16
  5. Step 5: Solve for x
    x = 582,270,833,018.16/1,026,416.32
  6. Step 6: Final answer
    x = 567,285.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.