Home / 1,020,060.16-1,407,663.42-561,147.90

Finding the Fourth Proportional to 1,020,060.16, 1,407,663.42 and 561,147.90

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Solution

The fourth proportional to 1,020,060.16, 1,407,663.42 and 561,147.90 is: 774,373.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,060.16 : 1,407,663.42 = 561,147.90 : x
  2. Step 2: Convert to fraction form
    1,020,060.16/1,407,663.42 = 561,147.90/x
  3. Step 3: Cross multiply
    1,020,060.16x = 1,407,663.42 × 561,147.90
  4. Step 4: Simplify right side
    1,020,060.16x = 789,907,372,039.82
  5. Step 5: Solve for x
    x = 789,907,372,039.82/1,020,060.16
  6. Step 6: Final answer
    x = 774,373.32

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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.