Home / 917,534.70-1,373,580.45-681,921.90

Finding the Fourth Proportional to 917,534.70, 1,373,580.45 and 681,921.90

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Solution

The fourth proportional to 917,534.70, 1,373,580.45 and 681,921.90 is: 1,020,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,534.70 : 1,373,580.45 = 681,921.90 : x
  2. Step 2: Convert to fraction form
    917,534.70/1,373,580.45 = 681,921.90/x
  3. Step 3: Cross multiply
    917,534.70x = 1,373,580.45 × 681,921.90
  4. Step 4: Simplify right side
    917,534.70x = 936,674,590,266.86
  5. Step 5: Solve for x
    x = 936,674,590,266.86/917,534.70
  6. Step 6: Final answer
    x = 1,020,860.13

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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.