Home / 736,448.31-1,016,209.38-409,684.08

Finding the Fourth Proportional to 736,448.31, 1,016,209.38 and 409,684.08

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Solution

The fourth proportional to 736,448.31, 1,016,209.38 and 409,684.08 is: 565,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,448.31 : 1,016,209.38 = 409,684.08 : x
  2. Step 2: Convert to fraction form
    736,448.31/1,016,209.38 = 409,684.08/x
  3. Step 3: Cross multiply
    736,448.31x = 1,016,209.38 × 409,684.08
  4. Step 4: Simplify right side
    736,448.31x = 416,324,802,643.20
  5. Step 5: Solve for x
    x = 416,324,802,643.20/736,448.31
  6. Step 6: Final answer
    x = 565,314.36

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Half scale
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Double scale
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Similar ratio
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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.