Home / 1,299,220.16-1,947,144.80-578,536.37

Finding the Fourth Proportional to 1,299,220.16, 1,947,144.80 and 578,536.37

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Solution

The fourth proportional to 1,299,220.16, 1,947,144.80 and 578,536.37 is: 867,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,220.16 : 1,947,144.80 = 578,536.37 : x
  2. Step 2: Convert to fraction form
    1,299,220.16/1,947,144.80 = 578,536.37/x
  3. Step 3: Cross multiply
    1,299,220.16x = 1,947,144.80 × 578,536.37
  4. Step 4: Simplify right side
    1,299,220.16x = 1,126,494,071,827.97
  5. Step 5: Solve for x
    x = 1,126,494,071,827.97/1,299,220.16
  6. Step 6: Final answer
    x = 867,054.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.