Home / 628,916.18-943,439.70-173,507.43

Finding the Fourth Proportional to 628,916.18, 943,439.70 and 173,507.43

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Solution

The fourth proportional to 628,916.18, 943,439.70 and 173,507.43 is: 260,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,916.18 : 943,439.70 = 173,507.43 : x
  2. Step 2: Convert to fraction form
    628,916.18/943,439.70 = 173,507.43/x
  3. Step 3: Cross multiply
    628,916.18x = 943,439.70 × 173,507.43
  4. Step 4: Simplify right side
    628,916.18x = 163,693,797,706.97
  5. Step 5: Solve for x
    x = 163,693,797,706.97/628,916.18
  6. Step 6: Final answer
    x = 260,279.20

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1.5x scale

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.