Home / 1,275,036-1,759,549.74-702,074.76

Finding the Fourth Proportional to 1,275,036, 1,759,549.74 and 702,074.76

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Solution

The fourth proportional to 1,275,036, 1,759,549.74 and 702,074.76 is: 968,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,036 : 1,759,549.74 = 702,074.76 : x
  2. Step 2: Convert to fraction form
    1,275,036/1,759,549.74 = 702,074.76/x
  3. Step 3: Cross multiply
    1,275,036x = 1,759,549.74 × 702,074.76
  4. Step 4: Simplify right side
    1,275,036x = 1,235,335,461,418.56
  5. Step 5: Solve for x
    x = 1,235,335,461,418.56/1,275,036
  6. Step 6: Final answer
    x = 968,863.20

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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.