Home / 912,602.28-1,367,938.11-343,737.24

Finding the Fourth Proportional to 912,602.28, 1,367,938.11 and 343,737.24

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Solution

The fourth proportional to 912,602.28, 1,367,938.11 and 343,737.24 is: 515,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,602.28 : 1,367,938.11 = 343,737.24 : x
  2. Step 2: Convert to fraction form
    912,602.28/1,367,938.11 = 343,737.24/x
  3. Step 3: Cross multiply
    912,602.28x = 1,367,938.11 × 343,737.24
  4. Step 4: Simplify right side
    912,602.28x = 470,211,270,422.22
  5. Step 5: Solve for x
    x = 470,211,270,422.22/912,602.28
  6. Step 6: Final answer
    x = 515,242.27

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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.