Home / 758,856.04-1,047,242.46-419,346.16

Finding the Fourth Proportional to 758,856.04, 1,047,242.46 and 419,346.16

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Solution

The fourth proportional to 758,856.04, 1,047,242.46 and 419,346.16 is: 578,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,856.04 : 1,047,242.46 = 419,346.16 : x
  2. Step 2: Convert to fraction form
    758,856.04/1,047,242.46 = 419,346.16/x
  3. Step 3: Cross multiply
    758,856.04x = 1,047,242.46 × 419,346.16
  4. Step 4: Simplify right side
    758,856.04x = 439,157,104,189.95
  5. Step 5: Solve for x
    x = 439,157,104,189.95/758,856.04
  6. Step 6: Final answer
    x = 578,709.37

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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.