Home / 563,151.04-776,953.68-427,043.20

Finding the Fourth Proportional to 563,151.04, 776,953.68 and 427,043.20

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Solution

The fourth proportional to 563,151.04, 776,953.68 and 427,043.20 is: 589,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,151.04 : 776,953.68 = 427,043.20 : x
  2. Step 2: Convert to fraction form
    563,151.04/776,953.68 = 427,043.20/x
  3. Step 3: Cross multiply
    563,151.04x = 776,953.68 × 427,043.20
  4. Step 4: Simplify right side
    563,151.04x = 331,792,785,758.98
  5. Step 5: Solve for x
    x = 331,792,785,758.98/563,151.04
  6. Step 6: Final answer
    x = 589,171.93

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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.