Home / 877,200.63-1,210,540.51-474,792.63

Finding the Fourth Proportional to 877,200.63, 1,210,540.51 and 474,792.63

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Solution

The fourth proportional to 877,200.63, 1,210,540.51 and 474,792.63 is: 655,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,200.63 : 1,210,540.51 = 474,792.63 : x
  2. Step 2: Convert to fraction form
    877,200.63/1,210,540.51 = 474,792.63/x
  3. Step 3: Cross multiply
    877,200.63x = 1,210,540.51 × 474,792.63
  4. Step 4: Simplify right side
    877,200.63x = 574,755,712,464.44
  5. Step 5: Solve for x
    x = 574,755,712,464.44/877,200.63
  6. Step 6: Final answer
    x = 655,215.80

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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.