Home / 834,733.05-1,151,931.65-472,149.11

Finding the Fourth Proportional to 834,733.05, 1,151,931.65 and 472,149.11

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Solution

The fourth proportional to 834,733.05, 1,151,931.65 and 472,149.11 is: 651,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,733.05 : 1,151,931.65 = 472,149.11 : x
  2. Step 2: Convert to fraction form
    834,733.05/1,151,931.65 = 472,149.11/x
  3. Step 3: Cross multiply
    834,733.05x = 1,151,931.65 × 472,149.11
  4. Step 4: Simplify right side
    834,733.05x = 543,883,495,207.93
  5. Step 5: Solve for x
    x = 543,883,495,207.93/834,733.05
  6. Step 6: Final answer
    x = 651,565.79

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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.