Home / 605,089-835,281.20-430,771.72

Finding the Fourth Proportional to 605,089, 835,281.20 and 430,771.72

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Solution

The fourth proportional to 605,089, 835,281.20 and 430,771.72 is: 594,648.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,089 : 835,281.20 = 430,771.72 : x
  2. Step 2: Convert to fraction form
    605,089/835,281.20 = 430,771.72/x
  3. Step 3: Cross multiply
    605,089x = 835,281.20 × 430,771.72
  4. Step 4: Simplify right side
    605,089x = 359,815,519,207.66
  5. Step 5: Solve for x
    x = 359,815,519,207.66/605,089
  6. Step 6: Final answer
    x = 594,648.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.