Home / 1,338,917.40-1,847,700-727,065.18

Finding the Fourth Proportional to 1,338,917.40, 1,847,700 and 727,065.18

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Solution

The fourth proportional to 1,338,917.40, 1,847,700 and 727,065.18 is: 1,003,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,917.40 : 1,847,700 = 727,065.18 : x
  2. Step 2: Convert to fraction form
    1,338,917.40/1,847,700 = 727,065.18/x
  3. Step 3: Cross multiply
    1,338,917.40x = 1,847,700 × 727,065.18
  4. Step 4: Simplify right side
    1,338,917.40x = 1,343,398,333,086
  5. Step 5: Solve for x
    x = 1,343,398,333,086/1,338,917.40
  6. Step 6: Final answer
    x = 1,003,346.68

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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.