Home / 828,568.02-1,143,148.98-675,342.75

Finding the Fourth Proportional to 828,568.02, 1,143,148.98 and 675,342.75

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Solution

The fourth proportional to 828,568.02, 1,143,148.98 and 675,342.75 is: 931,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,568.02 : 1,143,148.98 = 675,342.75 : x
  2. Step 2: Convert to fraction form
    828,568.02/1,143,148.98 = 675,342.75/x
  3. Step 3: Cross multiply
    828,568.02x = 1,143,148.98 × 675,342.75
  4. Step 4: Simplify right side
    828,568.02x = 772,017,375,812.90
  5. Step 5: Solve for x
    x = 772,017,375,812.90/828,568.02
  6. Step 6: Final answer
    x = 931,748.94

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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.