Home / 1,225,157.53-1,838,026.94-415,526.55

Finding the Fourth Proportional to 1,225,157.53, 1,838,026.94 and 415,526.55

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Solution

The fourth proportional to 1,225,157.53, 1,838,026.94 and 415,526.55 is: 623,388.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,157.53 : 1,838,026.94 = 415,526.55 : x
  2. Step 2: Convert to fraction form
    1,225,157.53/1,838,026.94 = 415,526.55/x
  3. Step 3: Cross multiply
    1,225,157.53x = 1,838,026.94 × 415,526.55
  4. Step 4: Simplify right side
    1,225,157.53x = 763,748,993,185.26
  5. Step 5: Solve for x
    x = 763,748,993,185.26/1,225,157.53
  6. Step 6: Final answer
    x = 623,388.40

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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.