Home / 953,097.96-1,315,393.80-545,143.32

Finding the Fourth Proportional to 953,097.96, 1,315,393.80 and 545,143.32

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Solution

The fourth proportional to 953,097.96, 1,315,393.80 and 545,143.32 is: 752,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,097.96 : 1,315,393.80 = 545,143.32 : x
  2. Step 2: Convert to fraction form
    953,097.96/1,315,393.80 = 545,143.32/x
  3. Step 3: Cross multiply
    953,097.96x = 1,315,393.80 × 545,143.32
  4. Step 4: Simplify right side
    953,097.96x = 717,078,143,239.42
  5. Step 5: Solve for x
    x = 717,078,143,239.42/953,097.96
  6. Step 6: Final answer
    x = 752,365.63

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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.