Home / 515,012-772,483.44-141,038.24

Finding the Fourth Proportional to 515,012, 772,483.44 and 141,038.24

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Solution

The fourth proportional to 515,012, 772,483.44 and 141,038.24 is: 211,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,012 : 772,483.44 = 141,038.24 : x
  2. Step 2: Convert to fraction form
    515,012/772,483.44 = 141,038.24/x
  3. Step 3: Cross multiply
    515,012x = 772,483.44 × 141,038.24
  4. Step 4: Simplify right side
    515,012x = 108,949,704,806.75
  5. Step 5: Solve for x
    x = 108,949,704,806.75/515,012
  6. Step 6: Final answer
    x = 211,547.90

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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.