Home / 1,761,659.20-2,641,322.40-639,582.40

Finding the Fourth Proportional to 1,761,659.20, 2,641,322.40 and 639,582.40

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Solution

The fourth proportional to 1,761,659.20, 2,641,322.40 and 639,582.40 is: 958,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,659.20 : 2,641,322.40 = 639,582.40 : x
  2. Step 2: Convert to fraction form
    1,761,659.20/2,641,322.40 = 639,582.40/x
  3. Step 3: Cross multiply
    1,761,659.20x = 2,641,322.40 × 639,582.40
  4. Step 4: Simplify right side
    1,761,659.20x = 1,689,343,319,765.76
  5. Step 5: Solve for x
    x = 1,689,343,319,765.76/1,761,659.20
  6. Step 6: Final answer
    x = 958,950.13

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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.