Home / 1,666,987.52-2,500,446.72-404,821.76

Finding the Fourth Proportional to 1,666,987.52, 2,500,446.72 and 404,821.76

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Solution

The fourth proportional to 1,666,987.52, 2,500,446.72 and 404,821.76 is: 607,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,987.52 : 2,500,446.72 = 404,821.76 : x
  2. Step 2: Convert to fraction form
    1,666,987.52/2,500,446.72 = 404,821.76/x
  3. Step 3: Cross multiply
    1,666,987.52x = 2,500,446.72 × 404,821.76
  4. Step 4: Simplify right side
    1,666,987.52x = 1,012,235,241,976.63
  5. Step 5: Solve for x
    x = 1,012,235,241,976.63/1,666,987.52
  6. Step 6: Final answer
    x = 607,224.25

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1.5x scale

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.