Home / 719,590.56-993,050.45-397,321.02

Finding the Fourth Proportional to 719,590.56, 993,050.45 and 397,321.02

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Solution

The fourth proportional to 719,590.56, 993,050.45 and 397,321.02 is: 548,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,590.56 : 993,050.45 = 397,321.02 : x
  2. Step 2: Convert to fraction form
    719,590.56/993,050.45 = 397,321.02/x
  3. Step 3: Cross multiply
    719,590.56x = 993,050.45 × 397,321.02
  4. Step 4: Simplify right side
    719,590.56x = 394,559,817,208.81
  5. Step 5: Solve for x
    x = 394,559,817,208.81/719,590.56
  6. Step 6: Final answer
    x = 548,311.56

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1.5x scale

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.