Home / 839,915.19-1,259,074.59-535,454.68

Finding the Fourth Proportional to 839,915.19, 1,259,074.59 and 535,454.68

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Solution

The fourth proportional to 839,915.19, 1,259,074.59 and 535,454.68 is: 802,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,915.19 : 1,259,074.59 = 535,454.68 : x
  2. Step 2: Convert to fraction form
    839,915.19/1,259,074.59 = 535,454.68/x
  3. Step 3: Cross multiply
    839,915.19x = 1,259,074.59 × 535,454.68
  4. Step 4: Simplify right side
    839,915.19x = 674,177,381,684.58
  5. Step 5: Solve for x
    x = 674,177,381,684.58/839,915.19
  6. Step 6: Final answer
    x = 802,673.16

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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.