Home / 743,397.94-1,025,971.28-416,742.36

Finding the Fourth Proportional to 743,397.94, 1,025,971.28 and 416,742.36

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Solution

The fourth proportional to 743,397.94, 1,025,971.28 and 416,742.36 is: 575,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,397.94 : 1,025,971.28 = 416,742.36 : x
  2. Step 2: Convert to fraction form
    743,397.94/1,025,971.28 = 416,742.36/x
  3. Step 3: Cross multiply
    743,397.94x = 1,025,971.28 × 416,742.36
  4. Step 4: Simplify right side
    743,397.94x = 427,565,692,519.42
  5. Step 5: Solve for x
    x = 427,565,692,519.42/743,397.94
  6. Step 6: Final answer
    x = 575,150.49

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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.