Home / 695,364.40-1,041,734.40-648,125.20

Finding the Fourth Proportional to 695,364.40, 1,041,734.40 and 648,125.20

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Solution

The fourth proportional to 695,364.40, 1,041,734.40 and 648,125.20 is: 970,964.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,364.40 : 1,041,734.40 = 648,125.20 : x
  2. Step 2: Convert to fraction form
    695,364.40/1,041,734.40 = 648,125.20/x
  3. Step 3: Cross multiply
    695,364.40x = 1,041,734.40 × 648,125.20
  4. Step 4: Simplify right side
    695,364.40x = 675,174,316,346.88
  5. Step 5: Solve for x
    x = 675,174,316,346.88/695,364.40
  6. Step 6: Final answer
    x = 970,964.74

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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.