Home / 851,127-1,174,563.18-469,167.45

Finding the Fourth Proportional to 851,127, 1,174,563.18 and 469,167.45

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Solution

The fourth proportional to 851,127, 1,174,563.18 and 469,167.45 is: 647,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,127 : 1,174,563.18 = 469,167.45 : x
  2. Step 2: Convert to fraction form
    851,127/1,174,563.18 = 469,167.45/x
  3. Step 3: Cross multiply
    851,127x = 1,174,563.18 × 469,167.45
  4. Step 4: Simplify right side
    851,127x = 551,066,812,024.49
  5. Step 5: Solve for x
    x = 551,066,812,024.49/851,127
  6. Step 6: Final answer
    x = 647,455.45

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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.