Home / 830,731.92-1,146,477.50-468,180.33

Finding the Fourth Proportional to 830,731.92, 1,146,477.50 and 468,180.33

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Solution

The fourth proportional to 830,731.92, 1,146,477.50 and 468,180.33 is: 646,126.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,731.92 : 1,146,477.50 = 468,180.33 : x
  2. Step 2: Convert to fraction form
    830,731.92/1,146,477.50 = 468,180.33/x
  3. Step 3: Cross multiply
    830,731.92x = 1,146,477.50 × 468,180.33
  4. Step 4: Simplify right side
    830,731.92x = 536,758,208,555.19
  5. Step 5: Solve for x
    x = 536,758,208,555.19/830,731.92
  6. Step 6: Final answer
    x = 646,126.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.