Home / 1,490,159.33-2,056,463.93-1,055,354.57

Finding the Fourth Proportional to 1,490,159.33, 2,056,463.93 and 1,055,354.57

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Solution

The fourth proportional to 1,490,159.33, 2,056,463.93 and 1,055,354.57 is: 1,456,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,159.33 : 2,056,463.93 = 1,055,354.57 : x
  2. Step 2: Convert to fraction form
    1,490,159.33/2,056,463.93 = 1,055,354.57/x
  3. Step 3: Cross multiply
    1,490,159.33x = 2,056,463.93 × 1,055,354.57
  4. Step 4: Simplify right side
    1,490,159.33x = 2,170,298,591,006.57
  5. Step 5: Solve for x
    x = 2,170,298,591,006.57/1,490,159.33
  6. Step 6: Final answer
    x = 1,456,420.50

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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.