Home / 1,185,719.52-1,778,573.33-287,161.23

Finding the Fourth Proportional to 1,185,719.52, 1,778,573.33 and 287,161.23

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Solution

The fourth proportional to 1,185,719.52, 1,778,573.33 and 287,161.23 is: 430,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,719.52 : 1,778,573.33 = 287,161.23 : x
  2. Step 2: Convert to fraction form
    1,185,719.52/1,778,573.33 = 287,161.23/x
  3. Step 3: Cross multiply
    1,185,719.52x = 1,778,573.33 × 287,161.23
  4. Step 4: Simplify right side
    1,185,719.52x = 510,737,305,088.00
  5. Step 5: Solve for x
    x = 510,737,305,088.00/1,185,719.52
  6. Step 6: Final answer
    x = 430,740.40

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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.