Home / 816,802.52-1,127,022.30-477,205.16

Finding the Fourth Proportional to 816,802.52, 1,127,022.30 and 477,205.16

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Solution

The fourth proportional to 816,802.52, 1,127,022.30 and 477,205.16 is: 658,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,802.52 : 1,127,022.30 = 477,205.16 : x
  2. Step 2: Convert to fraction form
    816,802.52/1,127,022.30 = 477,205.16/x
  3. Step 3: Cross multiply
    816,802.52x = 1,127,022.30 × 477,205.16
  4. Step 4: Simplify right side
    816,802.52x = 537,820,856,995.07
  5. Step 5: Solve for x
    x = 537,820,856,995.07/816,802.52
  6. Step 6: Final answer
    x = 658,446.62

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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.