Home / 953,071.58-1,315,242.36-517,489.58

Finding the Fourth Proportional to 953,071.58, 1,315,242.36 and 517,489.58

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Solution

The fourth proportional to 953,071.58, 1,315,242.36 and 517,489.58 is: 714,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,071.58 : 1,315,242.36 = 517,489.58 : x
  2. Step 2: Convert to fraction form
    953,071.58/1,315,242.36 = 517,489.58/x
  3. Step 3: Cross multiply
    953,071.58x = 1,315,242.36 × 517,489.58
  4. Step 4: Simplify right side
    953,071.58x = 680,624,216,474.61
  5. Step 5: Solve for x
    x = 680,624,216,474.61/953,071.58
  6. Step 6: Final answer
    x = 714,137.56

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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.