Home / 736,453.51-1,016,216.57-409,689.32

Finding the Fourth Proportional to 736,453.51, 1,016,216.57 and 409,689.32

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Solution

The fourth proportional to 736,453.51, 1,016,216.57 and 409,689.32 is: 565,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,453.51 : 1,016,216.57 = 409,689.32 : x
  2. Step 2: Convert to fraction form
    736,453.51/1,016,216.57 = 409,689.32/x
  3. Step 3: Cross multiply
    736,453.51x = 1,016,216.57 × 409,689.32
  4. Step 4: Simplify right side
    736,453.51x = 416,333,071,479.17
  5. Step 5: Solve for x
    x = 416,333,071,479.17/736,453.51
  6. Step 6: Final answer
    x = 565,321.59

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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.