Home / 776,592.34-1,071,687.19-427,726.05

Finding the Fourth Proportional to 776,592.34, 1,071,687.19 and 427,726.05

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Solution

The fourth proportional to 776,592.34, 1,071,687.19 and 427,726.05 is: 590,256.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,592.34 : 1,071,687.19 = 427,726.05 : x
  2. Step 2: Convert to fraction form
    776,592.34/1,071,687.19 = 427,726.05/x
  3. Step 3: Cross multiply
    776,592.34x = 1,071,687.19 × 427,726.05
  4. Step 4: Simplify right side
    776,592.34x = 458,388,528,614.30
  5. Step 5: Solve for x
    x = 458,388,528,614.30/776,592.34
  6. Step 6: Final answer
    x = 590,256.31

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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.