Home / 1,220,007.17-1,683,609.86-676,224.65

Finding the Fourth Proportional to 1,220,007.17, 1,683,609.86 and 676,224.65

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Solution

The fourth proportional to 1,220,007.17, 1,683,609.86 and 676,224.65 is: 933,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,007.17 : 1,683,609.86 = 676,224.65 : x
  2. Step 2: Convert to fraction form
    1,220,007.17/1,683,609.86 = 676,224.65/x
  3. Step 3: Cross multiply
    1,220,007.17x = 1,683,609.86 × 676,224.65
  4. Step 4: Simplify right side
    1,220,007.17x = 1,138,498,490,410.87
  5. Step 5: Solve for x
    x = 1,138,498,490,410.87/1,220,007.17
  6. Step 6: Final answer
    x = 933,190.00

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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.