Home / 939,410-1,296,385.88-537,010.64

Finding the Fourth Proportional to 939,410, 1,296,385.88 and 537,010.64

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Solution

The fourth proportional to 939,410, 1,296,385.88 and 537,010.64 is: 741,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,410 : 1,296,385.88 = 537,010.64 : x
  2. Step 2: Convert to fraction form
    939,410/1,296,385.88 = 537,010.64/x
  3. Step 3: Cross multiply
    939,410x = 1,296,385.88 × 537,010.64
  4. Step 4: Simplify right side
    939,410x = 696,173,011,105.76
  5. Step 5: Solve for x
    x = 696,173,011,105.76/939,410
  6. Step 6: Final answer
    x = 741,074.73

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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.