Home / 755,365.92-1,132,482.87-455,775.72

Finding the Fourth Proportional to 755,365.92, 1,132,482.87 and 455,775.72

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Solution

The fourth proportional to 755,365.92, 1,132,482.87 and 455,775.72 is: 683,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,365.92 : 1,132,482.87 = 455,775.72 : x
  2. Step 2: Convert to fraction form
    755,365.92/1,132,482.87 = 455,775.72/x
  3. Step 3: Cross multiply
    755,365.92x = 1,132,482.87 × 455,775.72
  4. Step 4: Simplify right side
    755,365.92x = 516,158,195,461.92
  5. Step 5: Solve for x
    x = 516,158,195,461.92/755,365.92
  6. Step 6: Final answer
    x = 683,322.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.