Home / 598,815.40-896,910.90-520,083.40

Finding the Fourth Proportional to 598,815.40, 896,910.90 and 520,083.40

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Solution

The fourth proportional to 598,815.40, 896,910.90 and 520,083.40 is: 778,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,815.40 : 896,910.90 = 520,083.40 : x
  2. Step 2: Convert to fraction form
    598,815.40/896,910.90 = 520,083.40/x
  3. Step 3: Cross multiply
    598,815.40x = 896,910.90 × 520,083.40
  4. Step 4: Simplify right side
    598,815.40x = 466,468,470,369.06
  5. Step 5: Solve for x
    x = 466,468,470,369.06/598,815.40
  6. Step 6: Final answer
    x = 778,985.43

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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.