Home / 1,291,500.64-1,781,674.56-832,762.57

Finding the Fourth Proportional to 1,291,500.64, 1,781,674.56 and 832,762.57

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Solution

The fourth proportional to 1,291,500.64, 1,781,674.56 and 832,762.57 is: 1,148,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,500.64 : 1,781,674.56 = 832,762.57 : x
  2. Step 2: Convert to fraction form
    1,291,500.64/1,781,674.56 = 832,762.57/x
  3. Step 3: Cross multiply
    1,291,500.64x = 1,781,674.56 × 832,762.57
  4. Step 4: Simplify right side
    1,291,500.64x = 1,483,711,885,489.22
  5. Step 5: Solve for x
    x = 1,483,711,885,489.22/1,291,500.64
  6. Step 6: Final answer
    x = 1,148,827.84

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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.