Home / 644,011.16-966,459.65-223,287.03

Finding the Fourth Proportional to 644,011.16, 966,459.65 and 223,287.03

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Solution

The fourth proportional to 644,011.16, 966,459.65 and 223,287.03 is: 335,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,011.16 : 966,459.65 = 223,287.03 : x
  2. Step 2: Convert to fraction form
    644,011.16/966,459.65 = 223,287.03/x
  3. Step 3: Cross multiply
    644,011.16x = 966,459.65 × 223,287.03
  4. Step 4: Simplify right side
    644,011.16x = 215,797,903,746.90
  5. Step 5: Solve for x
    x = 215,797,903,746.90/644,011.16
  6. Step 6: Final answer
    x = 335,084.11

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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.