Home / 953,147.28-1,315,292.04-523,485.84

Finding the Fourth Proportional to 953,147.28, 1,315,292.04 and 523,485.84

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Solution

The fourth proportional to 953,147.28, 1,315,292.04 and 523,485.84 is: 722,382.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,147.28 : 1,315,292.04 = 523,485.84 : x
  2. Step 2: Convert to fraction form
    953,147.28/1,315,292.04 = 523,485.84/x
  3. Step 3: Cross multiply
    953,147.28x = 1,315,292.04 × 523,485.84
  4. Step 4: Simplify right side
    953,147.28x = 688,536,758,404.71
  5. Step 5: Solve for x
    x = 688,536,758,404.71/953,147.28
  6. Step 6: Final answer
    x = 722,382.34

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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.