Home / 644,110.34-970,689.41-580,148.79

Finding the Fourth Proportional to 644,110.34, 970,689.41 and 580,148.79

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Solution

The fourth proportional to 644,110.34, 970,689.41 and 580,148.79 is: 874,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,110.34 : 970,689.41 = 580,148.79 : x
  2. Step 2: Convert to fraction form
    644,110.34/970,689.41 = 580,148.79/x
  3. Step 3: Cross multiply
    644,110.34x = 970,689.41 × 580,148.79
  4. Step 4: Simplify right side
    644,110.34x = 563,144,282,312.04
  5. Step 5: Solve for x
    x = 563,144,282,312.04/644,110.34
  6. Step 6: Final answer
    x = 874,297.85

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.