Home / 1,152,053.29-1,727,928.22-342,420.42

Finding the Fourth Proportional to 1,152,053.29, 1,727,928.22 and 342,420.42

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Solution

The fourth proportional to 1,152,053.29, 1,727,928.22 and 342,420.42 is: 513,585.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,053.29 : 1,727,928.22 = 342,420.42 : x
  2. Step 2: Convert to fraction form
    1,152,053.29/1,727,928.22 = 342,420.42/x
  3. Step 3: Cross multiply
    1,152,053.29x = 1,727,928.22 × 342,420.42
  4. Step 4: Simplify right side
    1,152,053.29x = 591,677,906,822.25
  5. Step 5: Solve for x
    x = 591,677,906,822.25/1,152,053.29
  6. Step 6: Final answer
    x = 513,585.54

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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.