Home / 847,411.82-1,169,451.14-498,576.57

Finding the Fourth Proportional to 847,411.82, 1,169,451.14 and 498,576.57

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Solution

The fourth proportional to 847,411.82, 1,169,451.14 and 498,576.57 is: 688,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,411.82 : 1,169,451.14 = 498,576.57 : x
  2. Step 2: Convert to fraction form
    847,411.82/1,169,451.14 = 498,576.57/x
  3. Step 3: Cross multiply
    847,411.82x = 1,169,451.14 × 498,576.57
  4. Step 4: Simplify right side
    847,411.82x = 583,060,939,410.23
  5. Step 5: Solve for x
    x = 583,060,939,410.23/847,411.82
  6. Step 6: Final answer
    x = 688,049.10

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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.