Home / 459,950.20-634,730.22-258,746.20

Finding the Fourth Proportional to 459,950.20, 634,730.22 and 258,746.20

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Solution

The fourth proportional to 459,950.20, 634,730.22 and 258,746.20 is: 357,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,950.20 : 634,730.22 = 258,746.20 : x
  2. Step 2: Convert to fraction form
    459,950.20/634,730.22 = 258,746.20/x
  3. Step 3: Cross multiply
    459,950.20x = 634,730.22 × 258,746.20
  4. Step 4: Simplify right side
    459,950.20x = 164,234,032,450.16
  5. Step 5: Solve for x
    x = 164,234,032,450.16/459,950.20
  6. Step 6: Final answer
    x = 357,069.16

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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.