Home / 1,657,879.90-2,486,819.66-459,802.18

Finding the Fourth Proportional to 1,657,879.90, 2,486,819.66 and 459,802.18

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Solution

The fourth proportional to 1,657,879.90, 2,486,819.66 and 459,802.18 is: 689,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,879.90 : 2,486,819.66 = 459,802.18 : x
  2. Step 2: Convert to fraction form
    1,657,879.90/2,486,819.66 = 459,802.18/x
  3. Step 3: Cross multiply
    1,657,879.90x = 2,486,819.66 × 459,802.18
  4. Step 4: Simplify right side
    1,657,879.90x = 1,143,445,100,934.86
  5. Step 5: Solve for x
    x = 1,143,445,100,934.86/1,657,879.90
  6. Step 6: Final answer
    x = 689,703.22

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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.