Home / 447,497.36-617,557.74-243,559.34

Finding the Fourth Proportional to 447,497.36, 617,557.74 and 243,559.34

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Solution

The fourth proportional to 447,497.36, 617,557.74 and 243,559.34 is: 336,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,497.36 : 617,557.74 = 243,559.34 : x
  2. Step 2: Convert to fraction form
    447,497.36/617,557.74 = 243,559.34/x
  3. Step 3: Cross multiply
    447,497.36x = 617,557.74 × 243,559.34
  4. Step 4: Simplify right side
    447,497.36x = 150,411,955,566.29
  5. Step 5: Solve for x
    x = 150,411,955,566.29/447,497.36
  6. Step 6: Final answer
    x = 336,118.08

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Double scale
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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.