Home / 266,875.40-397,626.58-263,026.28

Finding the Fourth Proportional to 266,875.40, 397,626.58 and 263,026.28

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Solution

The fourth proportional to 266,875.40, 397,626.58 and 263,026.28 is: 391,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,875.40 : 397,626.58 = 263,026.28 : x
  2. Step 2: Convert to fraction form
    266,875.40/397,626.58 = 263,026.28/x
  3. Step 3: Cross multiply
    266,875.40x = 397,626.58 × 263,026.28
  4. Step 4: Simplify right side
    266,875.40x = 104,586,240,166.52
  5. Step 5: Solve for x
    x = 104,586,240,166.52/266,875.40
  6. Step 6: Final answer
    x = 391,891.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.