Home / 834,474.09-1,151,574.89-452,500.87

Finding the Fourth Proportional to 834,474.09, 1,151,574.89 and 452,500.87

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Solution

The fourth proportional to 834,474.09, 1,151,574.89 and 452,500.87 is: 624,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,474.09 : 1,151,574.89 = 452,500.87 : x
  2. Step 2: Convert to fraction form
    834,474.09/1,151,574.89 = 452,500.87/x
  3. Step 3: Cross multiply
    834,474.09x = 1,151,574.89 × 452,500.87
  4. Step 4: Simplify right side
    834,474.09x = 521,088,639,595.15
  5. Step 5: Solve for x
    x = 521,088,639,595.15/834,474.09
  6. Step 6: Final answer
    x = 624,451.55

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Double scale
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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.