Home / 1,253,045.48-1,729,158.84-680,074.16

Finding the Fourth Proportional to 1,253,045.48, 1,729,158.84 and 680,074.16

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Solution

The fourth proportional to 1,253,045.48, 1,729,158.84 and 680,074.16 is: 938,478.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,045.48 : 1,729,158.84 = 680,074.16 : x
  2. Step 2: Convert to fraction form
    1,253,045.48/1,729,158.84 = 680,074.16/x
  3. Step 3: Cross multiply
    1,253,045.48x = 1,729,158.84 × 680,074.16
  4. Step 4: Simplify right side
    1,253,045.48x = 1,175,956,245,619.57
  5. Step 5: Solve for x
    x = 1,175,956,245,619.57/1,253,045.48
  6. Step 6: Final answer
    x = 938,478.50

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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.