Home / 771,021.17-1,064,570.52-618,896.19

Finding the Fourth Proportional to 771,021.17, 1,064,570.52 and 618,896.19

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Solution

The fourth proportional to 771,021.17, 1,064,570.52 and 618,896.19 is: 854,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,021.17 : 1,064,570.52 = 618,896.19 : x
  2. Step 2: Convert to fraction form
    771,021.17/1,064,570.52 = 618,896.19/x
  3. Step 3: Cross multiply
    771,021.17x = 1,064,570.52 × 618,896.19
  4. Step 4: Simplify right side
    771,021.17x = 658,858,638,814.32
  5. Step 5: Solve for x
    x = 658,858,638,814.32/771,021.17
  6. Step 6: Final answer
    x = 854,527.31

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Double scale
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1.5x scale

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.