Home / 953,072.55-1,315,243.71-517,490.55

Finding the Fourth Proportional to 953,072.55, 1,315,243.71 and 517,490.55

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Solution

The fourth proportional to 953,072.55, 1,315,243.71 and 517,490.55 is: 714,138.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,072.55 : 1,315,243.71 = 517,490.55 : x
  2. Step 2: Convert to fraction form
    953,072.55/1,315,243.71 = 517,490.55/x
  3. Step 3: Cross multiply
    953,072.55x = 1,315,243.71 × 517,490.55
  4. Step 4: Simplify right side
    953,072.55x = 680,626,190,871.94
  5. Step 5: Solve for x
    x = 680,626,190,871.94/953,072.55
  6. Step 6: Final answer
    x = 714,138.91

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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.