Home / 767,633.54-1,059,345.28-445,441.05

Finding the Fourth Proportional to 767,633.54, 1,059,345.28 and 445,441.05

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Solution

The fourth proportional to 767,633.54, 1,059,345.28 and 445,441.05 is: 614,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,633.54 : 1,059,345.28 = 445,441.05 : x
  2. Step 2: Convert to fraction form
    767,633.54/1,059,345.28 = 445,441.05/x
  3. Step 3: Cross multiply
    767,633.54x = 1,059,345.28 × 445,441.05
  4. Step 4: Simplify right side
    767,633.54x = 471,875,874,392.55
  5. Step 5: Solve for x
    x = 471,875,874,392.55/767,633.54
  6. Step 6: Final answer
    x = 614,715.03

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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.