Home / 628,916.05-943,439.52-173,507.30

Finding the Fourth Proportional to 628,916.05, 943,439.52 and 173,507.30

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Solution

The fourth proportional to 628,916.05, 943,439.52 and 173,507.30 is: 260,279.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,916.05 : 943,439.52 = 173,507.30 : x
  2. Step 2: Convert to fraction form
    628,916.05/943,439.52 = 173,507.30/x
  3. Step 3: Cross multiply
    628,916.05x = 943,439.52 × 173,507.30
  4. Step 4: Simplify right side
    628,916.05x = 163,693,642,960.96
  5. Step 5: Solve for x
    x = 163,693,642,960.96/628,916.05
  6. Step 6: Final answer
    x = 260,279.00

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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.