Home / 825,346.03-1,138,963.08-462,768.77

Finding the Fourth Proportional to 825,346.03, 1,138,963.08 and 462,768.77

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Solution

The fourth proportional to 825,346.03, 1,138,963.08 and 462,768.77 is: 638,612.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,346.03 : 1,138,963.08 = 462,768.77 : x
  2. Step 2: Convert to fraction form
    825,346.03/1,138,963.08 = 462,768.77/x
  3. Step 3: Cross multiply
    825,346.03x = 1,138,963.08 × 462,768.77
  4. Step 4: Simplify right side
    825,346.03x = 527,076,543,607.01
  5. Step 5: Solve for x
    x = 527,076,543,607.01/825,346.03
  6. Step 6: Final answer
    x = 638,612.81

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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.