Home / 936,435.36-1,404,653.04-438,149.28

Finding the Fourth Proportional to 936,435.36, 1,404,653.04 and 438,149.28

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Solution

The fourth proportional to 936,435.36, 1,404,653.04 and 438,149.28 is: 657,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,435.36 : 1,404,653.04 = 438,149.28 : x
  2. Step 2: Convert to fraction form
    936,435.36/1,404,653.04 = 438,149.28/x
  3. Step 3: Cross multiply
    936,435.36x = 1,404,653.04 × 438,149.28
  4. Step 4: Simplify right side
    936,435.36x = 615,447,718,125.81
  5. Step 5: Solve for x
    x = 615,447,718,125.81/936,435.36
  6. Step 6: Final answer
    x = 657,223.92

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.