Home / 1,530,666.32-2,111,612.73-986,976.73

Finding the Fourth Proportional to 1,530,666.32, 2,111,612.73 and 986,976.73

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Solution

The fourth proportional to 1,530,666.32, 2,111,612.73 and 986,976.73 is: 1,361,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,666.32 : 2,111,612.73 = 986,976.73 : x
  2. Step 2: Convert to fraction form
    1,530,666.32/2,111,612.73 = 986,976.73/x
  3. Step 3: Cross multiply
    1,530,666.32x = 2,111,612.73 × 986,976.73
  4. Step 4: Simplify right side
    1,530,666.32x = 2,084,112,626,220.13
  5. Step 5: Solve for x
    x = 2,084,112,626,220.13/1,530,666.32
  6. Step 6: Final answer
    x = 1,361,572.15

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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.