Home / 836,184.11-1,153,914.71-487,302.28

Finding the Fourth Proportional to 836,184.11, 1,153,914.71 and 487,302.28

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Solution

The fourth proportional to 836,184.11, 1,153,914.71 and 487,302.28 is: 672,465.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,184.11 : 1,153,914.71 = 487,302.28 : x
  2. Step 2: Convert to fraction form
    836,184.11/1,153,914.71 = 487,302.28/x
  3. Step 3: Cross multiply
    836,184.11x = 1,153,914.71 × 487,302.28
  4. Step 4: Simplify right side
    836,184.11x = 562,305,266,528.32
  5. Step 5: Solve for x
    x = 562,305,266,528.32/836,184.11
  6. Step 6: Final answer
    x = 672,465.86

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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.