Home / 776,710.02-1,071,791.55-432,519.96

Finding the Fourth Proportional to 776,710.02, 1,071,791.55 and 432,519.96

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Solution

The fourth proportional to 776,710.02, 1,071,791.55 and 432,519.96 is: 596,839.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,710.02 : 1,071,791.55 = 432,519.96 : x
  2. Step 2: Convert to fraction form
    776,710.02/1,071,791.55 = 432,519.96/x
  3. Step 3: Cross multiply
    776,710.02x = 1,071,791.55 × 432,519.96
  4. Step 4: Simplify right side
    776,710.02x = 463,571,238,334.34
  5. Step 5: Solve for x
    x = 463,571,238,334.34/776,710.02
  6. Step 6: Final answer
    x = 596,839.52

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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.