Home / 740,646.65-1,022,092.38-401,114.90

Finding the Fourth Proportional to 740,646.65, 1,022,092.38 and 401,114.90

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Solution

The fourth proportional to 740,646.65, 1,022,092.38 and 401,114.90 is: 553,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,646.65 : 1,022,092.38 = 401,114.90 : x
  2. Step 2: Convert to fraction form
    740,646.65/1,022,092.38 = 401,114.90/x
  3. Step 3: Cross multiply
    740,646.65x = 1,022,092.38 × 401,114.90
  4. Step 4: Simplify right side
    740,646.65x = 409,976,482,629.66
  5. Step 5: Solve for x
    x = 409,976,482,629.66/740,646.65
  6. Step 6: Final answer
    x = 553,538.56

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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.