Home / 526,841.05-727,041.51-285,123.82

Finding the Fourth Proportional to 526,841.05, 727,041.51 and 285,123.82

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Solution

The fourth proportional to 526,841.05, 727,041.51 and 285,123.82 is: 393,471.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,841.05 : 727,041.51 = 285,123.82 : x
  2. Step 2: Convert to fraction form
    526,841.05/727,041.51 = 285,123.82/x
  3. Step 3: Cross multiply
    526,841.05x = 727,041.51 × 285,123.82
  4. Step 4: Simplify right side
    526,841.05x = 207,296,852,629.77
  5. Step 5: Solve for x
    x = 207,296,852,629.77/526,841.05
  6. Step 6: Final answer
    x = 393,471.34

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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.