Home / 921,025.68-1,374,783.30-853,484.04

Finding the Fourth Proportional to 921,025.68, 1,374,783.30 and 853,484.04

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Solution

The fourth proportional to 921,025.68, 1,374,783.30 and 853,484.04 is: 1,273,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,025.68 : 1,374,783.30 = 853,484.04 : x
  2. Step 2: Convert to fraction form
    921,025.68/1,374,783.30 = 853,484.04/x
  3. Step 3: Cross multiply
    921,025.68x = 1,374,783.30 × 853,484.04
  4. Step 4: Simplify right side
    921,025.68x = 1,173,355,605,008.53
  5. Step 5: Solve for x
    x = 1,173,355,605,008.53/921,025.68
  6. Step 6: Final answer
    x = 1,273,966.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.