Home / 919,693.12-1,269,157.71-575,718.76

Finding the Fourth Proportional to 919,693.12, 1,269,157.71 and 575,718.76

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Solution

The fourth proportional to 919,693.12, 1,269,157.71 and 575,718.76 is: 794,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,693.12 : 1,269,157.71 = 575,718.76 : x
  2. Step 2: Convert to fraction form
    919,693.12/1,269,157.71 = 575,718.76/x
  3. Step 3: Cross multiply
    919,693.12x = 1,269,157.71 × 575,718.76
  4. Step 4: Simplify right side
    919,693.12x = 730,677,903,045.64
  5. Step 5: Solve for x
    x = 730,677,903,045.64/919,693.12
  6. Step 6: Final answer
    x = 794,480.12

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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.