Home / 851,943.65-1,175,600.55-469,945.83

Finding the Fourth Proportional to 851,943.65, 1,175,600.55 and 469,945.83

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Solution

The fourth proportional to 851,943.65, 1,175,600.55 and 469,945.83 is: 648,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,943.65 : 1,175,600.55 = 469,945.83 : x
  2. Step 2: Convert to fraction form
    851,943.65/1,175,600.55 = 469,945.83/x
  3. Step 3: Cross multiply
    851,943.65x = 1,175,600.55 × 469,945.83
  4. Step 4: Simplify right side
    851,943.65x = 552,468,570,487.32
  5. Step 5: Solve for x
    x = 552,468,570,487.32/851,943.65
  6. Step 6: Final answer
    x = 648,480.18

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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.