Home / 838,352.45-1,156,926.56-456,379.13

Finding the Fourth Proportional to 838,352.45, 1,156,926.56 and 456,379.13

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Solution

The fourth proportional to 838,352.45, 1,156,926.56 and 456,379.13 is: 629,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,352.45 : 1,156,926.56 = 456,379.13 : x
  2. Step 2: Convert to fraction form
    838,352.45/1,156,926.56 = 456,379.13/x
  3. Step 3: Cross multiply
    838,352.45x = 1,156,926.56 × 456,379.13
  4. Step 4: Simplify right side
    838,352.45x = 527,997,136,926.69
  5. Step 5: Solve for x
    x = 527,997,136,926.69/838,352.45
  6. Step 6: Final answer
    x = 629,803.30

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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.