Home / 458,587.19-683,231.90-436,001.56

Finding the Fourth Proportional to 458,587.19, 683,231.90 and 436,001.56

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Solution

The fourth proportional to 458,587.19, 683,231.90 and 436,001.56 is: 649,582.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,587.19 : 683,231.90 = 436,001.56 : x
  2. Step 2: Convert to fraction form
    458,587.19/683,231.90 = 436,001.56/x
  3. Step 3: Cross multiply
    458,587.19x = 683,231.90 × 436,001.56
  4. Step 4: Simplify right side
    458,587.19x = 297,890,174,241.76
  5. Step 5: Solve for x
    x = 297,890,174,241.76/458,587.19
  6. Step 6: Final answer
    x = 649,582.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.