Home / 836,188.68-1,153,921-487,306.84

Finding the Fourth Proportional to 836,188.68, 1,153,921 and 487,306.84

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Solution

The fourth proportional to 836,188.68, 1,153,921 and 487,306.84 is: 672,472.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,188.68 : 1,153,921 = 487,306.84 : x
  2. Step 2: Convert to fraction form
    836,188.68/1,153,921 = 487,306.84/x
  3. Step 3: Cross multiply
    836,188.68x = 1,153,921 × 487,306.84
  4. Step 4: Simplify right side
    836,188.68x = 562,313,596,119.64
  5. Step 5: Solve for x
    x = 562,313,596,119.64/836,188.68
  6. Step 6: Final answer
    x = 672,472.15

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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.