Home / 765,061.20-1,153,321.74-713,681.28

Finding the Fourth Proportional to 765,061.20, 1,153,321.74 and 713,681.28

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Solution

The fourth proportional to 765,061.20, 1,153,321.74 and 713,681.28 is: 1,075,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,061.20 : 1,153,321.74 = 713,681.28 : x
  2. Step 2: Convert to fraction form
    765,061.20/1,153,321.74 = 713,681.28/x
  3. Step 3: Cross multiply
    765,061.20x = 1,153,321.74 × 713,681.28
  4. Step 4: Simplify right side
    765,061.20x = 823,104,135,655.03
  5. Step 5: Solve for x
    x = 823,104,135,655.03/765,061.20
  6. Step 6: Final answer
    x = 1,075,867.05

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.