Home / 1,303,239.68-1,963,738.40-1,071,767.60

Finding the Fourth Proportional to 1,303,239.68, 1,963,738.40 and 1,071,767.60

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Solution

The fourth proportional to 1,303,239.68, 1,963,738.40 and 1,071,767.60 is: 1,614,953.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,239.68 : 1,963,738.40 = 1,071,767.60 : x
  2. Step 2: Convert to fraction form
    1,303,239.68/1,963,738.40 = 1,071,767.60/x
  3. Step 3: Cross multiply
    1,303,239.68x = 1,963,738.40 × 1,071,767.60
  4. Step 4: Simplify right side
    1,303,239.68x = 2,104,671,191,995.84
  5. Step 5: Solve for x
    x = 2,104,671,191,995.84/1,303,239.68
  6. Step 6: Final answer
    x = 1,614,953.28

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.