Home / 874,229.80-1,310,955.90-401,060.20

Finding the Fourth Proportional to 874,229.80, 1,310,955.90 and 401,060.20

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Solution

The fourth proportional to 874,229.80, 1,310,955.90 and 401,060.20 is: 601,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,229.80 : 1,310,955.90 = 401,060.20 : x
  2. Step 2: Convert to fraction form
    874,229.80/1,310,955.90 = 401,060.20/x
  3. Step 3: Cross multiply
    874,229.80x = 1,310,955.90 × 401,060.20
  4. Step 4: Simplify right side
    874,229.80x = 525,772,235,445.18
  5. Step 5: Solve for x
    x = 525,772,235,445.18/874,229.80
  6. Step 6: Final answer
    x = 601,411.93

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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.