Home / 910,962.76-1,257,033.14-528,914.92

Finding the Fourth Proportional to 910,962.76, 1,257,033.14 and 528,914.92

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Solution

The fourth proportional to 910,962.76, 1,257,033.14 and 528,914.92 is: 729,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,962.76 : 1,257,033.14 = 528,914.92 : x
  2. Step 2: Convert to fraction form
    910,962.76/1,257,033.14 = 528,914.92/x
  3. Step 3: Cross multiply
    910,962.76x = 1,257,033.14 × 528,914.92
  4. Step 4: Simplify right side
    910,962.76x = 664,863,582,680.45
  5. Step 5: Solve for x
    x = 664,863,582,680.45/910,962.76
  6. Step 6: Final answer
    x = 729,847.16

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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.