Home / 816,440.80-1,224,678.06-297,098.24

Finding the Fourth Proportional to 816,440.80, 1,224,678.06 and 297,098.24

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Solution

The fourth proportional to 816,440.80, 1,224,678.06 and 297,098.24 is: 445,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,440.80 : 1,224,678.06 = 297,098.24 : x
  2. Step 2: Convert to fraction form
    816,440.80/1,224,678.06 = 297,098.24/x
  3. Step 3: Cross multiply
    816,440.80x = 1,224,678.06 × 297,098.24
  4. Step 4: Simplify right side
    816,440.80x = 363,849,696,192.61
  5. Step 5: Solve for x
    x = 363,849,696,192.61/816,440.80
  6. Step 6: Final answer
    x = 445,653.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.