Home / 856,683.68-1,182,760.85-551,290.68

Finding the Fourth Proportional to 856,683.68, 1,182,760.85 and 551,290.68

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Solution

The fourth proportional to 856,683.68, 1,182,760.85 and 551,290.68 is: 761,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,683.68 : 1,182,760.85 = 551,290.68 : x
  2. Step 2: Convert to fraction form
    856,683.68/1,182,760.85 = 551,290.68/x
  3. Step 3: Cross multiply
    856,683.68x = 1,182,760.85 × 551,290.68
  4. Step 4: Simplify right side
    856,683.68x = 652,045,034,652.11
  5. Step 5: Solve for x
    x = 652,045,034,652.11/856,683.68
  6. Step 6: Final answer
    x = 761,126.95

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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.