Home / 1,585,000.16-2,187,300.08-905,951.20

Finding the Fourth Proportional to 1,585,000.16, 2,187,300.08 and 905,951.20

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Solution

The fourth proportional to 1,585,000.16, 2,187,300.08 and 905,951.20 is: 1,250,212.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,000.16 : 2,187,300.08 = 905,951.20 : x
  2. Step 2: Convert to fraction form
    1,585,000.16/2,187,300.08 = 905,951.20/x
  3. Step 3: Cross multiply
    1,585,000.16x = 2,187,300.08 × 905,951.20
  4. Step 4: Simplify right side
    1,585,000.16x = 1,981,587,132,236.10
  5. Step 5: Solve for x
    x = 1,981,587,132,236.10/1,585,000.16
  6. Step 6: Final answer
    x = 1,250,212.58

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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.