Home / 934,139.39-1,289,352.84-608,265.79

Finding the Fourth Proportional to 934,139.39, 1,289,352.84 and 608,265.79

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Solution

The fourth proportional to 934,139.39, 1,289,352.84 and 608,265.79 is: 839,563.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,139.39 : 1,289,352.84 = 608,265.79 : x
  2. Step 2: Convert to fraction form
    934,139.39/1,289,352.84 = 608,265.79/x
  3. Step 3: Cross multiply
    934,139.39x = 1,289,352.84 × 608,265.79
  4. Step 4: Simplify right side
    934,139.39x = 784,269,223,746.42
  5. Step 5: Solve for x
    x = 784,269,223,746.42/934,139.39
  6. Step 6: Final answer
    x = 839,563.38

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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.