Home / 558,222.23-770,328.66-316,526.33

Finding the Fourth Proportional to 558,222.23, 770,328.66 and 316,526.33

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Solution

The fourth proportional to 558,222.23, 770,328.66 and 316,526.33 is: 436,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,222.23 : 770,328.66 = 316,526.33 : x
  2. Step 2: Convert to fraction form
    558,222.23/770,328.66 = 316,526.33/x
  3. Step 3: Cross multiply
    558,222.23x = 770,328.66 × 316,526.33
  4. Step 4: Simplify right side
    558,222.23x = 243,829,306,756.41
  5. Step 5: Solve for x
    x = 243,829,306,756.41/558,222.23
  6. Step 6: Final answer
    x = 436,796.12

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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.