Home / 765,280.81-1,057,544.04-573,962.05

Finding the Fourth Proportional to 765,280.81, 1,057,544.04 and 573,962.05

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Solution

The fourth proportional to 765,280.81, 1,057,544.04 and 573,962.05 is: 793,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,280.81 : 1,057,544.04 = 573,962.05 : x
  2. Step 2: Convert to fraction form
    765,280.81/1,057,544.04 = 573,962.05/x
  3. Step 3: Cross multiply
    765,280.81x = 1,057,544.04 × 573,962.05
  4. Step 4: Simplify right side
    765,280.81x = 606,990,145,163.68
  5. Step 5: Solve for x
    x = 606,990,145,163.68/765,280.81
  6. Step 6: Final answer
    x = 793,160.02

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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.