Home / 953,145.78-1,315,345.59-545,252.10

Finding the Fourth Proportional to 953,145.78, 1,315,345.59 and 545,252.10

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Solution

The fourth proportional to 953,145.78, 1,315,345.59 and 545,252.10 is: 752,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,145.78 : 1,315,345.59 = 545,252.10 : x
  2. Step 2: Convert to fraction form
    953,145.78/1,315,345.59 = 545,252.10/x
  3. Step 3: Cross multiply
    953,145.78x = 1,315,345.59 × 545,252.10
  4. Step 4: Simplify right side
    953,145.78x = 717,194,945,173.24
  5. Step 5: Solve for x
    x = 717,194,945,173.24/953,145.78
  6. Step 6: Final answer
    x = 752,450.42

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1.5x scale

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.