Home / 838,124.46-1,156,608.45-456,154.38

Finding the Fourth Proportional to 838,124.46, 1,156,608.45 and 456,154.38

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Solution

The fourth proportional to 838,124.46, 1,156,608.45 and 456,154.38 is: 629,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,124.46 : 1,156,608.45 = 456,154.38 : x
  2. Step 2: Convert to fraction form
    838,124.46/1,156,608.45 = 456,154.38/x
  3. Step 3: Cross multiply
    838,124.46x = 1,156,608.45 × 456,154.38
  4. Step 4: Simplify right side
    838,124.46x = 527,592,010,412.51
  5. Step 5: Solve for x
    x = 527,592,010,412.51/838,124.46
  6. Step 6: Final answer
    x = 629,491.25

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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.