Home / 1,012,114.08-1,396,722.96-553,229.28

Finding the Fourth Proportional to 1,012,114.08, 1,396,722.96 and 553,229.28

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Solution

The fourth proportional to 1,012,114.08, 1,396,722.96 and 553,229.28 is: 763,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,114.08 : 1,396,722.96 = 553,229.28 : x
  2. Step 2: Convert to fraction form
    1,012,114.08/1,396,722.96 = 553,229.28/x
  3. Step 3: Cross multiply
    1,012,114.08x = 1,396,722.96 × 553,229.28
  4. Step 4: Simplify right side
    1,012,114.08x = 772,708,037,520.27
  5. Step 5: Solve for x
    x = 772,708,037,520.27/1,012,114.08
  6. Step 6: Final answer
    x = 763,459.43

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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.