Home / 527,020.37-727,288.34-285,302.93

Finding the Fourth Proportional to 527,020.37, 727,288.34 and 285,302.93

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Solution

The fourth proportional to 527,020.37, 727,288.34 and 285,302.93 is: 393,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,020.37 : 727,288.34 = 285,302.93 : x
  2. Step 2: Convert to fraction form
    527,020.37/727,288.34 = 285,302.93/x
  3. Step 3: Cross multiply
    527,020.37x = 727,288.34 × 285,302.93
  4. Step 4: Simplify right side
    527,020.37x = 207,497,494,356.84
  5. Step 5: Solve for x
    x = 207,497,494,356.84/527,020.37
  6. Step 6: Final answer
    x = 393,718.17

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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.