Home / 1,001,850.48-1,382,695.38-620,000.28

Finding the Fourth Proportional to 1,001,850.48, 1,382,695.38 and 620,000.28

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Solution

The fourth proportional to 1,001,850.48, 1,382,695.38 and 620,000.28 is: 855,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,850.48 : 1,382,695.38 = 620,000.28 : x
  2. Step 2: Convert to fraction form
    1,001,850.48/1,382,695.38 = 620,000.28/x
  3. Step 3: Cross multiply
    1,001,850.48x = 1,382,695.38 × 620,000.28
  4. Step 4: Simplify right side
    1,001,850.48x = 857,271,522,754.71
  5. Step 5: Solve for x
    x = 857,271,522,754.71/1,001,850.48
  6. Step 6: Final answer
    x = 855,688.09

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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.