Home / 1,014,660.39-1,400,214.54-555,770.68

Finding the Fourth Proportional to 1,014,660.39, 1,400,214.54 and 555,770.68

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Solution

The fourth proportional to 1,014,660.39, 1,400,214.54 and 555,770.68 is: 766,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,660.39 : 1,400,214.54 = 555,770.68 : x
  2. Step 2: Convert to fraction form
    1,014,660.39/1,400,214.54 = 555,770.68/x
  3. Step 3: Cross multiply
    1,014,660.39x = 1,400,214.54 × 555,770.68
  4. Step 4: Simplify right side
    1,014,660.39x = 778,198,187,041.69
  5. Step 5: Solve for x
    x = 778,198,187,041.69/1,014,660.39
  6. Step 6: Final answer
    x = 766,954.34

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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.