Home / 768,136.77-1,060,427.52-561,173.13

Finding the Fourth Proportional to 768,136.77, 1,060,427.52 and 561,173.13

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Solution

The fourth proportional to 768,136.77, 1,060,427.52 and 561,173.13 is: 774,710.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,136.77 : 1,060,427.52 = 561,173.13 : x
  2. Step 2: Convert to fraction form
    768,136.77/1,060,427.52 = 561,173.13/x
  3. Step 3: Cross multiply
    768,136.77x = 1,060,427.52 × 561,173.13
  4. Step 4: Simplify right side
    768,136.77x = 595,083,430,536.54
  5. Step 5: Solve for x
    x = 595,083,430,536.54/768,136.77
  6. Step 6: Final answer
    x = 774,710.25

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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.