Home / 838,357.70-1,156,933.80-456,384.38

Finding the Fourth Proportional to 838,357.70, 1,156,933.80 and 456,384.38

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Solution

The fourth proportional to 838,357.70, 1,156,933.80 and 456,384.38 is: 629,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,357.70 : 1,156,933.80 = 456,384.38 : x
  2. Step 2: Convert to fraction form
    838,357.70/1,156,933.80 = 456,384.38/x
  3. Step 3: Cross multiply
    838,357.70x = 1,156,933.80 × 456,384.38
  4. Step 4: Simplify right side
    838,357.70x = 528,006,509,229.38
  5. Step 5: Solve for x
    x = 528,006,509,229.38/838,357.70
  6. Step 6: Final answer
    x = 629,810.54

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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.