Home / 572,778.30-857,904.12-358,849.74

Finding the Fourth Proportional to 572,778.30, 857,904.12 and 358,849.74

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Solution

The fourth proportional to 572,778.30, 857,904.12 and 358,849.74 is: 537,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,778.30 : 857,904.12 = 358,849.74 : x
  2. Step 2: Convert to fraction form
    572,778.30/857,904.12 = 358,849.74/x
  3. Step 3: Cross multiply
    572,778.30x = 857,904.12 × 358,849.74
  4. Step 4: Simplify right side
    572,778.30x = 307,858,670,406.93
  5. Step 5: Solve for x
    x = 307,858,670,406.93/572,778.30
  6. Step 6: Final answer
    x = 537,483.12

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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.