Home / 849,420.50-1,172,200.50-467,447.27

Finding the Fourth Proportional to 849,420.50, 1,172,200.50 and 467,447.27

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Solution

The fourth proportional to 849,420.50, 1,172,200.50 and 467,447.27 is: 645,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,420.50 : 1,172,200.50 = 467,447.27 : x
  2. Step 2: Convert to fraction form
    849,420.50/1,172,200.50 = 467,447.27/x
  3. Step 3: Cross multiply
    849,420.50x = 1,172,200.50 × 467,447.27
  4. Step 4: Simplify right side
    849,420.50x = 547,941,917,756.63
  5. Step 5: Solve for x
    x = 547,941,917,756.63/849,420.50
  6. Step 6: Final answer
    x = 645,077.35

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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.