Home / 719,670.45-1,079,879.27-293,518.92

Finding the Fourth Proportional to 719,670.45, 1,079,879.27 and 293,518.92

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Solution

The fourth proportional to 719,670.45, 1,079,879.27 and 293,518.92 is: 440,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,670.45 : 1,079,879.27 = 293,518.92 : x
  2. Step 2: Convert to fraction form
    719,670.45/1,079,879.27 = 293,518.92/x
  3. Step 3: Cross multiply
    719,670.45x = 1,079,879.27 × 293,518.92
  4. Step 4: Simplify right side
    719,670.45x = 316,964,997,060.79
  5. Step 5: Solve for x
    x = 316,964,997,060.79/719,670.45
  6. Step 6: Final answer
    x = 440,430.75

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1.5x scale

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.