Home / 1,146,941.40-1,720,618.95-472,647.39

Finding the Fourth Proportional to 1,146,941.40, 1,720,618.95 and 472,647.39

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Solution

The fourth proportional to 1,146,941.40, 1,720,618.95 and 472,647.39 is: 709,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,941.40 : 1,720,618.95 = 472,647.39 : x
  2. Step 2: Convert to fraction form
    1,146,941.40/1,720,618.95 = 472,647.39/x
  3. Step 3: Cross multiply
    1,146,941.40x = 1,720,618.95 × 472,647.39
  4. Step 4: Simplify right side
    1,146,941.40x = 813,246,055,902.04
  5. Step 5: Solve for x
    x = 813,246,055,902.04/1,146,941.40
  6. Step 6: Final answer
    x = 709,056.33

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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.