Home / 928,395.65-1,281,189.26-584,459.15

Finding the Fourth Proportional to 928,395.65, 1,281,189.26 and 584,459.15

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Solution

The fourth proportional to 928,395.65, 1,281,189.26 and 584,459.15 is: 806,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,395.65 : 1,281,189.26 = 584,459.15 : x
  2. Step 2: Convert to fraction form
    928,395.65/1,281,189.26 = 584,459.15/x
  3. Step 3: Cross multiply
    928,395.65x = 1,281,189.26 × 584,459.15
  4. Step 4: Simplify right side
    928,395.65x = 748,802,780,943.93
  5. Step 5: Solve for x
    x = 748,802,780,943.93/928,395.65
  6. Step 6: Final answer
    x = 806,555.67

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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.