Home / 849,430.80-1,172,213.83-467,457.59

Finding the Fourth Proportional to 849,430.80, 1,172,213.83 and 467,457.59

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Solution

The fourth proportional to 849,430.80, 1,172,213.83 and 467,457.59 is: 645,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,430.80 : 1,172,213.83 = 467,457.59 : x
  2. Step 2: Convert to fraction form
    849,430.80/1,172,213.83 = 467,457.59/x
  3. Step 3: Cross multiply
    849,430.80x = 1,172,213.83 × 467,457.59
  4. Step 4: Simplify right side
    849,430.80x = 547,960,251,936.47
  5. Step 5: Solve for x
    x = 547,960,251,936.47/849,430.80
  6. Step 6: Final answer
    x = 645,091.10

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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.