Home / 858,559.14-1,287,838.80-297,593.64

Finding the Fourth Proportional to 858,559.14, 1,287,838.80 and 297,593.64

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Solution

The fourth proportional to 858,559.14, 1,287,838.80 and 297,593.64 is: 446,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,559.14 : 1,287,838.80 = 297,593.64 : x
  2. Step 2: Convert to fraction form
    858,559.14/1,287,838.80 = 297,593.64/x
  3. Step 3: Cross multiply
    858,559.14x = 1,287,838.80 × 297,593.64
  4. Step 4: Simplify right side
    858,559.14x = 383,252,636,225.23
  5. Step 5: Solve for x
    x = 383,252,636,225.23/858,559.14
  6. Step 6: Final answer
    x = 446,390.49

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Double scale
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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.