Home / 838,396.29-1,156,950.59-456,424.41

Finding the Fourth Proportional to 838,396.29, 1,156,950.59 and 456,424.41

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Solution

The fourth proportional to 838,396.29, 1,156,950.59 and 456,424.41 is: 629,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,396.29 : 1,156,950.59 = 456,424.41 : x
  2. Step 2: Convert to fraction form
    838,396.29/1,156,950.59 = 456,424.41/x
  3. Step 3: Cross multiply
    838,396.29x = 1,156,950.59 × 456,424.41
  4. Step 4: Simplify right side
    838,396.29x = 528,060,488,157.78
  5. Step 5: Solve for x
    x = 528,060,488,157.78/838,396.29
  6. Step 6: Final answer
    x = 629,845.93

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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.