Home / 836,639.40-1,156,801.86-730,351.20

Finding the Fourth Proportional to 836,639.40, 1,156,801.86 and 730,351.20

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Solution

The fourth proportional to 836,639.40, 1,156,801.86 and 730,351.20 is: 1,009,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,639.40 : 1,156,801.86 = 730,351.20 : x
  2. Step 2: Convert to fraction form
    836,639.40/1,156,801.86 = 730,351.20/x
  3. Step 3: Cross multiply
    836,639.40x = 1,156,801.86 × 730,351.20
  4. Step 4: Simplify right side
    836,639.40x = 844,871,626,613.23
  5. Step 5: Solve for x
    x = 844,871,626,613.23/836,639.40
  6. Step 6: Final answer
    x = 1,009,839.64

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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.