Home / 709,062.79-1,062,707.23-354,175.87

Finding the Fourth Proportional to 709,062.79, 1,062,707.23 and 354,175.87

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Solution

The fourth proportional to 709,062.79, 1,062,707.23 and 354,175.87 is: 530,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,062.79 : 1,062,707.23 = 354,175.87 : x
  2. Step 2: Convert to fraction form
    709,062.79/1,062,707.23 = 354,175.87/x
  3. Step 3: Cross multiply
    709,062.79x = 1,062,707.23 × 354,175.87
  4. Step 4: Simplify right side
    709,062.79x = 376,385,255,083.77
  5. Step 5: Solve for x
    x = 376,385,255,083.77/709,062.79
  6. Step 6: Final answer
    x = 530,820.77

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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.