Home / 527,029.49-727,300.94-285,312.06

Finding the Fourth Proportional to 527,029.49, 727,300.94 and 285,312.06

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Solution

The fourth proportional to 527,029.49, 727,300.94 and 285,312.06 is: 393,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,029.49 : 727,300.94 = 285,312.06 : x
  2. Step 2: Convert to fraction form
    527,029.49/727,300.94 = 285,312.06/x
  3. Step 3: Cross multiply
    527,029.49x = 727,300.94 × 285,312.06
  4. Step 4: Simplify right side
    527,029.49x = 207,507,729,431.34
  5. Step 5: Solve for x
    x = 207,507,729,431.34/527,029.49
  6. Step 6: Final answer
    x = 393,730.77

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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.