Home / 836,364.54-1,153,928.79-473,730.78

Finding the Fourth Proportional to 836,364.54, 1,153,928.79 and 473,730.78

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Solution

The fourth proportional to 836,364.54, 1,153,928.79 and 473,730.78 is: 653,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,364.54 : 1,153,928.79 = 473,730.78 : x
  2. Step 2: Convert to fraction form
    836,364.54/1,153,928.79 = 473,730.78/x
  3. Step 3: Cross multiply
    836,364.54x = 1,153,928.79 × 473,730.78
  4. Step 4: Simplify right side
    836,364.54x = 546,651,585,751.16
  5. Step 5: Solve for x
    x = 546,651,585,751.16/836,364.54
  6. Step 6: Final answer
    x = 653,604.45

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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.