Home / 436,444.11-602,287.07-245,457.49

Finding the Fourth Proportional to 436,444.11, 602,287.07 and 245,457.49

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Solution

The fourth proportional to 436,444.11, 602,287.07 and 245,457.49 is: 338,728.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,444.11 : 602,287.07 = 245,457.49 : x
  2. Step 2: Convert to fraction form
    436,444.11/602,287.07 = 245,457.49/x
  3. Step 3: Cross multiply
    436,444.11x = 602,287.07 × 245,457.49
  4. Step 4: Simplify right side
    436,444.11x = 147,835,872,461.65
  5. Step 5: Solve for x
    x = 147,835,872,461.65/436,444.11
  6. Step 6: Final answer
    x = 338,728.07

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.