Home / 427,528.80-589,980.61-233,935.76

Finding the Fourth Proportional to 427,528.80, 589,980.61 and 233,935.76

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Solution

The fourth proportional to 427,528.80, 589,980.61 and 233,935.76 is: 322,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,528.80 : 589,980.61 = 233,935.76 : x
  2. Step 2: Convert to fraction form
    427,528.80/589,980.61 = 233,935.76/x
  3. Step 3: Cross multiply
    427,528.80x = 589,980.61 × 233,935.76
  4. Step 4: Simplify right side
    427,528.80x = 138,017,562,385.61
  5. Step 5: Solve for x
    x = 138,017,562,385.61/427,528.80
  6. Step 6: Final answer
    x = 322,826.35

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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.