Home / 552,975.69-828,134.92-315,598.71

Finding the Fourth Proportional to 552,975.69, 828,134.92 and 315,598.71

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Solution

The fourth proportional to 552,975.69, 828,134.92 and 315,598.71 is: 472,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,975.69 : 828,134.92 = 315,598.71 : x
  2. Step 2: Convert to fraction form
    552,975.69/828,134.92 = 315,598.71/x
  3. Step 3: Cross multiply
    552,975.69x = 828,134.92 × 315,598.71
  4. Step 4: Simplify right side
    552,975.69x = 261,358,312,457.95
  5. Step 5: Solve for x
    x = 261,358,312,457.95/552,975.69
  6. Step 6: Final answer
    x = 472,639.79

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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.