Home / 405,582.72-608,459.75-152,857.86

Finding the Fourth Proportional to 405,582.72, 608,459.75 and 152,857.86

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Solution

The fourth proportional to 405,582.72, 608,459.75 and 152,857.86 is: 229,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,582.72 : 608,459.75 = 152,857.86 : x
  2. Step 2: Convert to fraction form
    405,582.72/608,459.75 = 152,857.86/x
  3. Step 3: Cross multiply
    405,582.72x = 608,459.75 × 152,857.86
  4. Step 4: Simplify right side
    405,582.72x = 93,007,854,516.85
  5. Step 5: Solve for x
    x = 93,007,854,516.85/405,582.72
  6. Step 6: Final answer
    x = 229,319.08

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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.