Home / 953,838.50-1,431,971.80-618,283.30

Finding the Fourth Proportional to 953,838.50, 1,431,971.80 and 618,283.30

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Solution

The fourth proportional to 953,838.50, 1,431,971.80 and 618,283.30 is: 928,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,838.50 : 1,431,971.80 = 618,283.30 : x
  2. Step 2: Convert to fraction form
    953,838.50/1,431,971.80 = 618,283.30/x
  3. Step 3: Cross multiply
    953,838.50x = 1,431,971.80 × 618,283.30
  4. Step 4: Simplify right side
    953,838.50x = 885,364,250,010.94
  5. Step 5: Solve for x
    x = 885,364,250,010.94/953,838.50
  6. Step 6: Final answer
    x = 928,211.90

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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.