Home / 558,185.23-770,272.36-316,484.14

Finding the Fourth Proportional to 558,185.23, 770,272.36 and 316,484.14

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Solution

The fourth proportional to 558,185.23, 770,272.36 and 316,484.14 is: 436,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,185.23 : 770,272.36 = 316,484.14 : x
  2. Step 2: Convert to fraction form
    558,185.23/770,272.36 = 316,484.14/x
  3. Step 3: Cross multiply
    558,185.23x = 770,272.36 × 316,484.14
  4. Step 4: Simplify right side
    558,185.23x = 243,778,985,420.37
  5. Step 5: Solve for x
    x = 243,778,985,420.37/558,185.23
  6. Step 6: Final answer
    x = 436,734.93

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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.