Home / 1,528,612.25-2,111,643.29-1,224,706.73

Finding the Fourth Proportional to 1,528,612.25, 2,111,643.29 and 1,224,706.73

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Solution

The fourth proportional to 1,528,612.25, 2,111,643.29 and 1,224,706.73 is: 1,691,824.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,612.25 : 2,111,643.29 = 1,224,706.73 : x
  2. Step 2: Convert to fraction form
    1,528,612.25/2,111,643.29 = 1,224,706.73/x
  3. Step 3: Cross multiply
    1,528,612.25x = 2,111,643.29 × 1,224,706.73
  4. Step 4: Simplify right side
    1,528,612.25x = 2,586,143,748,622.34
  5. Step 5: Solve for x
    x = 2,586,143,748,622.34/1,528,612.25
  6. Step 6: Final answer
    x = 1,691,824.56

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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.