Home / 877,194.72-1,210,532.34-474,786.72

Finding the Fourth Proportional to 877,194.72, 1,210,532.34 and 474,786.72

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Solution

The fourth proportional to 877,194.72, 1,210,532.34 and 474,786.72 is: 655,207.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,194.72 : 1,210,532.34 = 474,786.72 : x
  2. Step 2: Convert to fraction form
    877,194.72/1,210,532.34 = 474,786.72/x
  3. Step 3: Cross multiply
    877,194.72x = 1,210,532.34 × 474,786.72
  4. Step 4: Simplify right side
    877,194.72x = 574,744,679,162.53
  5. Step 5: Solve for x
    x = 574,744,679,162.53/877,194.72
  6. Step 6: Final answer
    x = 655,207.64

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Double scale
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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.