Home / 611,350.20-917,117.46-190,659

Finding the Fourth Proportional to 611,350.20, 917,117.46 and 190,659

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Solution

The fourth proportional to 611,350.20, 917,117.46 and 190,659 is: 286,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,350.20 : 917,117.46 = 190,659 : x
  2. Step 2: Convert to fraction form
    611,350.20/917,117.46 = 190,659/x
  3. Step 3: Cross multiply
    611,350.20x = 917,117.46 × 190,659
  4. Step 4: Simplify right side
    611,350.20x = 174,856,697,806.14
  5. Step 5: Solve for x
    x = 174,856,697,806.14/611,350.20
  6. Step 6: Final answer
    x = 286,017.24

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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.