Home / 836,017.29-1,153,706.07-491,866.18

Finding the Fourth Proportional to 836,017.29, 1,153,706.07 and 491,866.18

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Solution

The fourth proportional to 836,017.29, 1,153,706.07 and 491,866.18 is: 678,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,017.29 : 1,153,706.07 = 491,866.18 : x
  2. Step 2: Convert to fraction form
    836,017.29/1,153,706.07 = 491,866.18/x
  3. Step 3: Cross multiply
    836,017.29x = 1,153,706.07 × 491,866.18
  4. Step 4: Simplify right side
    836,017.29x = 567,468,997,493.71
  5. Step 5: Solve for x
    x = 567,468,997,493.71/836,017.29
  6. Step 6: Final answer
    x = 678,776.63

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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.