Home / 526,916.99-790,377.51-127,557.12

Finding the Fourth Proportional to 526,916.99, 790,377.51 and 127,557.12

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Solution

The fourth proportional to 526,916.99, 790,377.51 and 127,557.12 is: 191,336.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,916.99 : 790,377.51 = 127,557.12 : x
  2. Step 2: Convert to fraction form
    526,916.99/790,377.51 = 127,557.12/x
  3. Step 3: Cross multiply
    526,916.99x = 790,377.51 × 127,557.12
  4. Step 4: Simplify right side
    526,916.99x = 100,818,278,888.37
  5. Step 5: Solve for x
    x = 100,818,278,888.37/526,916.99
  6. Step 6: Final answer
    x = 191,336.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.