Home / 583,078.50-872,642.70-358,581.33

Finding the Fourth Proportional to 583,078.50, 872,642.70 and 358,581.33

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Solution

The fourth proportional to 583,078.50, 872,642.70 and 358,581.33 is: 536,657.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,078.50 : 872,642.70 = 358,581.33 : x
  2. Step 2: Convert to fraction form
    583,078.50/872,642.70 = 358,581.33/x
  3. Step 3: Cross multiply
    583,078.50x = 872,642.70 × 358,581.33
  4. Step 4: Simplify right side
    583,078.50x = 312,913,379,980.79
  5. Step 5: Solve for x
    x = 312,913,379,980.79/583,078.50
  6. Step 6: Final answer
    x = 536,657.38

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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.