Home / 744,017.68-1,026,700.80-404,482.96

Finding the Fourth Proportional to 744,017.68, 1,026,700.80 and 404,482.96

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Solution

The fourth proportional to 744,017.68, 1,026,700.80 and 404,482.96 is: 558,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,017.68 : 1,026,700.80 = 404,482.96 : x
  2. Step 2: Convert to fraction form
    744,017.68/1,026,700.80 = 404,482.96/x
  3. Step 3: Cross multiply
    744,017.68x = 1,026,700.80 × 404,482.96
  4. Step 4: Simplify right side
    744,017.68x = 415,282,978,618.37
  5. Step 5: Solve for x
    x = 415,282,978,618.37/744,017.68
  6. Step 6: Final answer
    x = 558,162.78

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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.