Home / 563,150.04-776,952.30-427,042.20

Finding the Fourth Proportional to 563,150.04, 776,952.30 and 427,042.20

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Solution

The fourth proportional to 563,150.04, 776,952.30 and 427,042.20 is: 589,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,150.04 : 776,952.30 = 427,042.20 : x
  2. Step 2: Convert to fraction form
    563,150.04/776,952.30 = 427,042.20/x
  3. Step 3: Cross multiply
    563,150.04x = 776,952.30 × 427,042.20
  4. Step 4: Simplify right side
    563,150.04x = 331,791,419,487.06
  5. Step 5: Solve for x
    x = 331,791,419,487.06/563,150.04
  6. Step 6: Final answer
    x = 589,170.55

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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.