Home / 1,026,528.71-1,539,767.15-278,555.27

Finding the Fourth Proportional to 1,026,528.71, 1,539,767.15 and 278,555.27

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Solution

The fourth proportional to 1,026,528.71, 1,539,767.15 and 278,555.27 is: 417,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,528.71 : 1,539,767.15 = 278,555.27 : x
  2. Step 2: Convert to fraction form
    1,026,528.71/1,539,767.15 = 278,555.27/x
  3. Step 3: Cross multiply
    1,026,528.71x = 1,539,767.15 × 278,555.27
  4. Step 4: Simplify right side
    1,026,528.71x = 428,910,252,812.60
  5. Step 5: Solve for x
    x = 428,910,252,812.60/1,026,528.71
  6. Step 6: Final answer
    x = 417,825.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.