Home / 927,742.80-1,391,614.20-554,494.80

Finding the Fourth Proportional to 927,742.80, 1,391,614.20 and 554,494.80

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Solution

The fourth proportional to 927,742.80, 1,391,614.20 and 554,494.80 is: 831,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,742.80 : 1,391,614.20 = 554,494.80 : x
  2. Step 2: Convert to fraction form
    927,742.80/1,391,614.20 = 554,494.80/x
  3. Step 3: Cross multiply
    927,742.80x = 1,391,614.20 × 554,494.80
  4. Step 4: Simplify right side
    927,742.80x = 771,642,837,506.16
  5. Step 5: Solve for x
    x = 771,642,837,506.16/927,742.80
  6. Step 6: Final answer
    x = 831,742.20

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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.