Home / 547,595.40-821,316.30-173,656.20

Finding the Fourth Proportional to 547,595.40, 821,316.30 and 173,656.20

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Solution

The fourth proportional to 547,595.40, 821,316.30 and 173,656.20 is: 260,459.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,595.40 : 821,316.30 = 173,656.20 : x
  2. Step 2: Convert to fraction form
    547,595.40/821,316.30 = 173,656.20/x
  3. Step 3: Cross multiply
    547,595.40x = 821,316.30 × 173,656.20
  4. Step 4: Simplify right side
    547,595.40x = 142,626,667,656.06
  5. Step 5: Solve for x
    x = 142,626,667,656.06/547,595.40
  6. Step 6: Final answer
    x = 260,459.94

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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.