Home / 1,225,156.53-1,838,025.44-415,525.55

Finding the Fourth Proportional to 1,225,156.53, 1,838,025.44 and 415,525.55

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Solution

The fourth proportional to 1,225,156.53, 1,838,025.44 and 415,525.55 is: 623,386.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,156.53 : 1,838,025.44 = 415,525.55 : x
  2. Step 2: Convert to fraction form
    1,225,156.53/1,838,025.44 = 415,525.55/x
  3. Step 3: Cross multiply
    1,225,156.53x = 1,838,025.44 × 415,525.55
  4. Step 4: Simplify right side
    1,225,156.53x = 763,746,531,869.99
  5. Step 5: Solve for x
    x = 763,746,531,869.99/1,225,156.53
  6. Step 6: Final answer
    x = 623,386.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.