Home / 591,449.03-813,617.01-518,523.51

Finding the Fourth Proportional to 591,449.03, 813,617.01 and 518,523.51

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Solution

The fourth proportional to 591,449.03, 813,617.01 and 518,523.51 is: 713,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,449.03 : 813,617.01 = 518,523.51 : x
  2. Step 2: Convert to fraction form
    591,449.03/813,617.01 = 518,523.51/x
  3. Step 3: Cross multiply
    591,449.03x = 813,617.01 × 518,523.51
  4. Step 4: Simplify right side
    591,449.03x = 421,879,547,820.91
  5. Step 5: Solve for x
    x = 421,879,547,820.91/591,449.03
  6. Step 6: Final answer
    x = 713,298.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.