Home / 712,673.10-1,066,936.05-432,045.90

Finding the Fourth Proportional to 712,673.10, 1,066,936.05 and 432,045.90

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Solution

The fourth proportional to 712,673.10, 1,066,936.05 and 432,045.90 is: 646,811.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,673.10 : 1,066,936.05 = 432,045.90 : x
  2. Step 2: Convert to fraction form
    712,673.10/1,066,936.05 = 432,045.90/x
  3. Step 3: Cross multiply
    712,673.10x = 1,066,936.05 × 432,045.90
  4. Step 4: Simplify right side
    712,673.10x = 460,965,345,964.70
  5. Step 5: Solve for x
    x = 460,965,345,964.70/712,673.10
  6. Step 6: Final answer
    x = 646,811.77

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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.