Home / 758,699.04-1,047,025.92-419,189.28

Finding the Fourth Proportional to 758,699.04, 1,047,025.92 and 419,189.28

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Solution

The fourth proportional to 758,699.04, 1,047,025.92 and 419,189.28 is: 578,492.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,699.04 : 1,047,025.92 = 419,189.28 : x
  2. Step 2: Convert to fraction form
    758,699.04/1,047,025.92 = 419,189.28/x
  3. Step 3: Cross multiply
    758,699.04x = 1,047,025.92 × 419,189.28
  4. Step 4: Simplify right side
    758,699.04x = 438,902,041,546.14
  5. Step 5: Solve for x
    x = 438,902,041,546.14/758,699.04
  6. Step 6: Final answer
    x = 578,492.94

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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.