Home / 412,316.86-617,946.74-358,786.38

Finding the Fourth Proportional to 412,316.86, 617,946.74 and 358,786.38

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Solution

The fourth proportional to 412,316.86, 617,946.74 and 358,786.38 is: 537,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,316.86 : 617,946.74 = 358,786.38 : x
  2. Step 2: Convert to fraction form
    412,316.86/617,946.74 = 358,786.38/x
  3. Step 3: Cross multiply
    412,316.86x = 617,946.74 × 358,786.38
  4. Step 4: Simplify right side
    412,316.86x = 221,710,873,877.40
  5. Step 5: Solve for x
    x = 221,710,873,877.40/412,316.86
  6. Step 6: Final answer
    x = 537,719.64

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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.