Home / 1,254,998.20-1,731,831.21-711,140.50

Finding the Fourth Proportional to 1,254,998.20, 1,731,831.21 and 711,140.50

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Solution

The fourth proportional to 1,254,998.20, 1,731,831.21 and 711,140.50 is: 981,336.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,998.20 : 1,731,831.21 = 711,140.50 : x
  2. Step 2: Convert to fraction form
    1,254,998.20/1,731,831.21 = 711,140.50/x
  3. Step 3: Cross multiply
    1,254,998.20x = 1,731,831.21 × 711,140.50
  4. Step 4: Simplify right side
    1,254,998.20x = 1,231,575,312,595.00
  5. Step 5: Solve for x
    x = 1,231,575,312,595.00/1,254,998.20
  6. Step 6: Final answer
    x = 981,336.32

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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.