Home / 591,448.03-813,615.64-518,522.51

Finding the Fourth Proportional to 591,448.03, 813,615.64 and 518,522.51

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Solution

The fourth proportional to 591,448.03, 813,615.64 and 518,522.51 is: 713,296.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,448.03 : 813,615.64 = 518,522.51 : x
  2. Step 2: Convert to fraction form
    591,448.03/813,615.64 = 518,522.51/x
  3. Step 3: Cross multiply
    591,448.03x = 813,615.64 × 518,522.51
  4. Step 4: Simplify right side
    591,448.03x = 421,878,024,565.79
  5. Step 5: Solve for x
    x = 421,878,024,565.79/591,448.03
  6. Step 6: Final answer
    x = 713,296.87

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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.