Home / 879,847.50-1,214,176.59-517,312.14

Finding the Fourth Proportional to 879,847.50, 1,214,176.59 and 517,312.14

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Solution

The fourth proportional to 879,847.50, 1,214,176.59 and 517,312.14 is: 713,883.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,847.50 : 1,214,176.59 = 517,312.14 : x
  2. Step 2: Convert to fraction form
    879,847.50/1,214,176.59 = 517,312.14/x
  3. Step 3: Cross multiply
    879,847.50x = 1,214,176.59 × 517,312.14
  4. Step 4: Simplify right side
    879,847.50x = 628,108,290,110.80
  5. Step 5: Solve for x
    x = 628,108,290,110.80/879,847.50
  6. Step 6: Final answer
    x = 713,883.13

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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.