Home / 837,042.44-1,155,688.92-561,812.96

Finding the Fourth Proportional to 837,042.44, 1,155,688.92 and 561,812.96

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Solution

The fourth proportional to 837,042.44, 1,155,688.92 and 561,812.96 is: 775,684.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,042.44 : 1,155,688.92 = 561,812.96 : x
  2. Step 2: Convert to fraction form
    837,042.44/1,155,688.92 = 561,812.96/x
  3. Step 3: Cross multiply
    837,042.44x = 1,155,688.92 × 561,812.96
  4. Step 4: Simplify right side
    837,042.44x = 649,281,012,984.40
  5. Step 5: Solve for x
    x = 649,281,012,984.40/837,042.44
  6. Step 6: Final answer
    x = 775,684.70

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1.5x scale

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.